109 + Interview Questions in Amination By Ammonolysis in Unit Processes Page 2 InterviewSolution

51.	What is meant by Ammonia factor?(a) Ammonia concentration(b) Intensity factor(c) Capacity factor(d) All of the mentionedI have been asked this question by my college professor while I was bunking the class.Question is from Physical and Chemical Properties topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Right answer is (c) Capacity factor The best explanation: AMMONIA ratio MEANS Capacity factor, whereas Ammonia CONCENTRATION means intensity factor.

Discussion

52.	The introduction of more than one nitro group greatly decreases the activity of the halogen atom.(a) True(b) FalseThis question was posed to me during a job interview.The above asked question is from Physical and Chemical Properties topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Right option is (b) False The explanation: The introduction of more than ONE NITRO group greatly INCREASES the activity of the halogen ATOM.

Discussion

53.	By the introduction of which group makes the replacement of halogen atom faster?(a) Positive group(b) Negative group(c) Both of the mentioned(d) None of the mentionedThe question was asked in an interview for internship.My enquiry is from Physical and Chemical Properties topic in division Amination by Ammonolysis of Unit Processes
Answer» RIGHT option is (b) NEGATIVE group Explanation: By the introduction negative groups such as the -NO2 or -COOH in the ORTHO or para POSITION of the phenyl NUCLEUS, the replacement of the halogen atom takes place more readily.

Discussion

54.	The conversion of chlorobenzene to aniline requires what temperature?(a) Below 50°C(b) 100°C(c) 150°C(d) Above 200°CThis question was posed to me during an interview.Origin of the question is Physical and Chemical Properties in division Amination by Ammonolysis of Unit Processes
Answer» The correct OPTION is (d) Above 200°C Easiest explanation: The conversion of CHLOROBENZENE to ANILINE requires a comparatively high temperature-200°C or above-and the PRESENCE of a catalyst.

Discussion

55.	The replacement of Br atom is easier than Cl atom.(a) True(b) FalseI got this question in unit test.The above asked question is from Physical and Chemical Properties in portion Amination by Ammonolysis of Unit Processes
Answer» CORRECT choice is (a) True Best explanation: From the known activity of the halogens and the heats of formation of the halides, it would be EXPECTED that replacement of bromine atoms COULD be accomplished more READILY than that of chlorine atoms.

Discussion

56.	Are emulsifying and wetting agents important amination process?(a) Yes(b) NoThe question was posed to me in an internship interview.I want to ask this question from Physical and Chemical Properties in portion Amination by Ammonolysis of Unit Processes
Answer» The CORRECT OPTION is (a) Yes For explanation: The efficacy of emulsifying and wetting agents are important in the AMINATION process. Such agents appear to have important potential utility in the ammonolysis of aryl HALIDES.

Discussion

57.	Liquid phase reaction are possible without agitation.(a) True(b) FalseThe question was asked during an online interview.The doubt is from Physical and Chemical Properties topic in division Amination by Ammonolysis of Unit Processes
Answer» The correct option is (B) False The explanation: WITHOUT agitation, some INSOLUBLE compounds would, on account of their greater density, settle to the bottom of the autoclave while the ammonia liquor remained as a distinct layer above it. Reaction would then take place only at the interface, and a complete conversion of the compound to the AMINO derivative would not be FEASIBLE.

Discussion

58.	Homogeneity of reaction is highly important in which phase?(a) Vapour(b) Liquid(c) Solid(d) All of the mentionedThe question was asked by my college director while I was bunking the class.The origin of the question is Physical and Chemical Properties topic in portion Amination by Ammonolysis of Unit Processes
Answer» RIGHT choice is (B) Liquid Easiest explanation: In liquid-phase ammonolysis, the rate of amination DEPENDS upon the homogeneity of the REACTION mass.

Discussion

59.	When we dilute NH3 solution, does the reaction suffer?(a) Yes(b) NoI have been asked this question in my homework.The above asked question is from Physical and Chemical Properties topic in portion Amination by Ammonolysis of Unit Processes
Answer» Correct answer is (a) Yes The best I can explain: When more dilute NH3 solutions are employed, the RESULTS obviously SUFFER from the INCREASED ACTIVITY of the solvent-water.

Discussion

60.	Which factor increases the partial pressure in a reaction?(a) NH3 concentration(b) Heat(c) Agitation(d) All of the mentionedI got this question in an international level competition.I'm obligated to ask this question of Physical and Chemical Properties topic in section Amination by Ammonolysis of Unit Processes
Answer» The correct answer is (a) NH3 CONCENTRATION The best I can EXPLAIN: Reaction can be facilitated by increasing either the NH3 concentration or the temperature, as both the factors incidentally increase the PARTIAL pressure or activity of the DISSOLVED AMMONIA.

Discussion

61.	Anthraquinonesulfonic acids are more readily converted to amines than the insoluble halogen compounds.(a) True(b) FalseThe question was asked in a national level competition.My question is taken from Physical and Chemical Properties topic in division Amination by Ammonolysis of Unit Processes
Answer» Right answer is (a) True Easy explanation: The SOLUBLE anthraquinonesulfonic ACIDS are more readily converted to AMINES than the insoluble halogen COMPOUNDS.

Discussion

62.	Which of the following does not affect the reaction rate?(a) Solubility(b) Agitation(c) Nitro group(d) None of the mentionedI have been asked this question in an online quiz.My query is from Physical and Chemical Properties in chapter Amination by Ammonolysis of Unit Processes
Answer» Correct option is (d) NONE of the mentioned For EXPLANATION: A NUMBER of factors accelerate or retard the replacement of atoms or radicals by the amino group. These will be discussed in the following order: (1) solubility, (2) agitation, (3) halogen DERIVATIVE treated, (4) presence of nitro groups, and (5) temperature of amination and NH3 concentration.

Discussion

63.	In which reaction Sulfuric acid salts acts as a catalyst?(a) Addition reaction(b) Bucherer reaction(c) Replacement reaction(d) Acidic reactionI had been asked this question during an interview.Enquiry is from Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes
Answer» RIGHT choice is (b) Bucherer REACTION The explanation is: When we convert Naphthols to Naphthylamines, we use sulfuric acid salts as catalyst and hence it is CALLED Bucherer reaction.

Discussion

64.	How much amount of yield is produced when NH3 and phenil reacts on Al2O3 catalyst?(a) 50%(b) 68%(c) 88%(d) 98%I have been asked this question in semester exam.Origin of the question is Aminating Agents and Hydrocarbon in chapter Amination by Ammonolysis of Unit Processes
Answer» Right option is (C) 88% To elaborate: When NH3 and PHENOL or ortho-or para-cresols are reacted in the vapour PHASE over an Al2O3 catalyst, yields of up to 88 per cent of amines are obtained.

Discussion

65.	What product do you get on addition of HCN and Acetylene?(a) Alkyl nitrile(b) Acrylo nitrile(c) Hydronitrile(d) None of the mentionedThe question was posed to me in exam.Enquiry is from Aminating Agents and Hydrocarbon in portion Amination by Ammonolysis of Unit Processes
Answer» The correct CHOICE is (B) Acrylo nitrile Easy explanation: The addition of HCN to ACETYLENE yields the required ACRYLONITRILE.

Discussion

66.	The reaction of phenol and NH3 takes place in presence of what?(a) FeCL3(b) AL (OH)3(c) Fe (OH)2(d) All of the mentionedThe question was asked during an interview for a job.Asked question is from Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes
Answer» Correct answer is (d) All of the mentioned To ELABORATE: Aniline and some diphenylamine are formed when PHENOL and NH3 solution are HEATED under pressure in the presence of FECL3, AI (OH)3, or FE(OH)2.

Discussion

67.	What all gases do we get from natural gas?(a) Hydrogen(b) Acetylene(c) Synthesis gas(d) All of the mentionedThis question was addressed to me in class test.This is a very interesting question from Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes
Answer» Right ANSWER is (d) All of the mentioned Easiest explanation: Natural gas has become an important starting MATERIAL for the MANUFACTURE of hydrogen, acetylene, and synthesis gas for PRODUCING methanol.

Discussion

68.	What is the other name of nitriles of formic acid?(a) Hydrocyanic acid(b) Hydromantic acid(c) Hydrochloric acid(d) Hydro sulphuric acidI have been asked this question in an interview for internship.This is a very interesting question from Aminating Agents and Hydrocarbon in section Amination by Ammonolysis of Unit Processes
Answer» The correct option is (a) Hydrocyanic ACID Easy explanation: Hydrocyanic acid, the NITRILE of FORMIC acid, is a very important PRODUCT which can be produced catalytically from methane (natural gas), ammonia, and air, USING noble metal or noble-metal alloy catalysts.

Discussion

69.	In Toluene and Ammonia reaction, which of the following is considered?(a) Reactant ratio(b) Liquid space velocity(c) Temperature range(d) All of the mentionedThe question was posed to me by my school principal while I was bunking the class.My question comes from Aminating Agents and Hydrocarbon in chapter Amination by Ammonolysis of Unit Processes
Answer» The CORRECT option is (d) All of the mentioned To explain I would say: Toluene and ammonia, at VARIOUS reactant ratios and LIQUID space velocities, are passed at atmospheric pressure over a supported molybdenum trioxide CATALYST at about 525-550°C. The conversion per pass is 5-10 per cent, and the yields are 60-85 per cent based on the toluene consumed.

Discussion

70.	Cyanamide solutions get polymerised by what?(a) Slightly acid(b) Slightly Alkaline(c) Both of the mentioned(d) None of the mentionedI had been asked this question during an interview for a job.This question is from Aminating Agents and Hydrocarbon topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Right choice is (b) Slightly ALKALINE The BEST explanation: Cyanamide solutions are STABLE when slightly ACID and are polymerized when slightly alkaline.

Discussion

71.	Ammonia reacts with methane (natural gas) to form what?(a) Aliphatic nitriles(b) Aromatic nitriles(c) Hydrogen cyanide(d) None of the mentionedThis question was addressed to me during a job interview.The origin of the question is Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes
Answer» Right OPTION is (c) HYDROGEN cyanide Explanation: Ammonia reacts catalytically with methane (natural gas) in the presence of a REGULATED AMOUNT of oxygen to FORM hydrogen cyanide.

Discussion

72.	What product do we get when NH3 and CS2 are reacted?(a) Thiocarbamic acids(b) Dithiocarbamic acids(c) Trithiocarbamic acids(d) None of the mentionedThe question was asked during a job interview.I'd like to ask this question from Aminating Agents-Hydroammonolysis topic in section Amination by Ammonolysis of Unit Processes
Answer» Correct choice is (B) Dithiocarbamic acids The BEST EXPLANATION: Explanation: The addition of ammonia or alkylamines to CS2 to form the AMINE salts of dithiocarbamic acids.

Discussion

73.	What acts as a limiting factor in production of urea?(a) Hydrogen(b) Water(c) Carbon(d) NickelThis question was posed to me during a job interview.The above asked question is from Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes
Answer» The correct option is (B) Water Easy EXPLANATION: The transformation of AMMONIUM carbamate to urea is not a direct dehydration, the presence of water is, however, a limiting factor with respect to the extent that the REACTION occurs.

Discussion

74.	By the reaction of NH3 and CO2, what product do we get ?(a) Ammonium carbamate(b) Ammonium carbonate(c) All of the mentioned(d) None of the mentionedThe question was posed to me during a job interview.This intriguing question originated from Aminating Agents-Hydroammonolysis topic in division Amination by Ammonolysis of Unit Processes
Answer» Right choice is (a) Ammonium carbamate For explanation I would SAY: By reaction of ammonia and CARBON dioxide we get ammonium carbamate which is used to make UREA.

Discussion

75.	For highly reactive compounds, which type of reacting is preferred?(a) Hydrogenation(b) Dehydrogenation(c) Addition(d) SubstitutionThis question was posed to me during an interview.This intriguing question originated from Aminating Agents-Hydroammonolysis in section Amination by Ammonolysis of Unit Processes
Answer» CORRECT option is (C) Addition For explanation: The formation of amines by addition REACTIONS is CONFINED to highly reactive compounds.

Discussion

76.	The primary addition compounds are quit unstable.(a) True(b) FalseThis question was addressed to me during an online interview.I would like to ask this question from Aminating Agents-Hydroammonolysis topic in section Amination by Ammonolysis of Unit Processes
Answer» The CORRECT ANSWER is (a) True To elaborate: The PRIMARY ADDITION compound is so unstable or reactive that secondary REACTIONS occur before a stable amine is obtained.

Discussion

77.	Hydroammolysis of ketone are carried out in Liquid phase only.(a) True(b) FalseThis question was addressed to me in an international level competition.My doubt is from Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Right ANSWER is (b) False The EXPLANATION: The hydroammonolysis of KETONES to amines can be carried out in either the vapor or the liquid PHASE.

Discussion

78.	Which type of Aldehyde is acrolein?(a) Saturated(b) Unsaturated(c) Aromatic(d) None of the mentionedThis question was addressed to me in quiz.Question is taken from Aminating Agents-Hydroammonolysis in section Amination by Ammonolysis of Unit Processes
Answer» RIGHT option is (B) Unsaturated Easiest explanation: When unsaturated aliphatic ALDEHYDES such as acrolein are treated, saturation as well as hydroamination occurs, and a normal PRIMARY amine is obtained.

Discussion

79.	The treatment of which of the following compound is affected in liquid phase?(a) Aldehydes(b) Aldose(c) Sugars(d) All of the mentionedThe question was asked in a national level competition.I need to ask this question from Aminating Agents-Hydroammonolysis topic in portion Amination by Ammonolysis of Unit Processes
Answer» The CORRECT OPTION is (d) All of the mentioned The best I can explain: The treatment of the high-boiling aldehydes, aldose SUGARS, or ketones is generally effected in the LIQUID PHASE.

Discussion

80.	In presence of which catalyst do we get nitriles from aldehydes?(a) Zn-Al(b) Cu-Al(c) Cu-Zn(d) All of the mentionedThis question was addressed to me in final exam.The origin of the question is Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes
Answer» CORRECT answer is (c) Cu-Zn For explanation I would say: NITRILES can be obtained by the ammonolysis of aldehydes in the presence of Cu-Zn catalyst and around 300-350’C and ALSO that cobalt or copper and zinc are specific catalysts for the PREPARATION of nitriles by reacting aldehydes and ammonia.

Discussion

81.	We get better results of hydroammonolysis in the presence of which solvent?(a) Zinc(b) Alcohol(c) Water(d) AmmoniaThis question was posed to me by my school principal while I was bunking the class.The origin of the question is Aminating Agents-Hydroammonolysis topic in division Amination by Ammonolysis of Unit Processes
Answer» Right answer is (b) Alcohol The best I can explain: In liquid-phase reactions, BETTER results are GENERALLY obtained if hydro ammonolysis is CARRIED out under pressure in the presence of an alcohol as a DILUENT or SOLVENT.

Discussion

82.	Continuous vapor-phase reactions cannot be used for the preparation of lower alkylamines.(a) True(b) FalseThis question was addressed to me at a job interview.I'd like to ask this question from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Correct choice is (B) False The best EXPLANATION: Continuous vapor-phase reactions are USED for the preparation of LOWER alkylamines, while both LIQUID- and vapour-phase techniques are employed for the higher-molecular-weight amines.

Discussion

83.	The amines of the high-molecular-weight fatty alcohols are best prepared in ________ condition?(a) Pressure system(b) Temperature system(c) Enthalpy system(d) All of the mentionedI have been asked this question by my college professor while I was bunking the class.This intriguing question comes from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes
Answer» Right choice is (a) Pressure SYSTEM For EXPLANATION: The amines of the high-molecular-weight fatty alcohols are BEST PREPARED in a pressure system.

Discussion

84.	The reactions involving the lower aliphatic aldehydes takes place in what phase?(a) Vapour(b) Liquid(c) Solid(d) All of the mentionedI got this question in an interview for job.This question is from Aminating Agents-Hydroammonolysis in section Amination by Ammonolysis of Unit Processes
Answer» RIGHT option is (a) Vapour To ELABORATE: The REACTIONS involving the lower aliphatic aldehydes USUALLY take place in the VAPOR phase.

Discussion

85.	What are the requirements to control the production of specific amines?(a) Ratio of reactants(b) Operating conditions(c) Specific catalyst(d) All of the mentionedThis question was posed to me during a job interview.The query is from Aminating Agents-SO3H in chapter Amination by Ammonolysis of Unit Processes
Answer» Right choice is (d) All of the mentioned For explanation I would say: The control of production of SPECIFIC amines in conformity with commercial requirements is made by a proper choice of ratio of REACTANTS and operating CONDITIONS, the use of specific catalysts, and the RECYCLING of undesired products.

Discussion

86.	The amination of alkyl halides produce which type of amines?(a) Primary(b) Secondary(c) Tertiary(d) All of the mentionedThis question was addressed to me in a job interview.My query is from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes
Answer» The correct answer is (d) All of the mentioned Explanation: The amination of alkyl halides, the product of reaction MAY comprise primary, secondary, and TERTIARY amines, depending on the specific ALCOHOL, the NH3 RATIO, and other conditions employed.

Discussion

87.	Which of the following is not a method for the preparation of Alkylamines?(a) Ammonolysis of alcohols(b) Hydroammonolysis of alcohols(c) Hydroammonolysis of aldehydes(d) None of the mentionedThis question was addressed to me in an interview for internship.I'd like to ask this question from Aminating Agents-SO3H topic in portion Amination by Ammonolysis of Unit Processes
Answer» The CORRECT ANSWER is (d) None of the mentioned Best explanation: The methods for the preparation of ALKYLAMINES are : (1) ammonolysis of alcohols over alumina catalysts, (2) hydroammonolysis of alcohols over hydrogenation catalysts, and (3) hydroammonolysis of aldehydes, ketones, and carboxylic acids.

Discussion

88.	What product do we get when ethylenediamine replaces ammonia as the aminating agent?(a) Ethyleneamine(b) Ethylenediamine(c) Diethylenetriamine(d) DiethylenediamineI had been asked this question in quiz.The question is from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes
Answer» The CORRECT answer is (c) DIETHYLENETRIAMINE Explanation: When ethylenediamine replaces ammonia as the aminating agent, diethylenetriamine is the PRINCIPAL PRODUCT.

Discussion

89.	Which compound would have the highest reactivity?(a) Primary(b) Secondary(c) Tertiary(d) All of the mentionedThis question was addressed to me during an online exam.Question is from Aminating Agents-SO3H in chapter Amination by Ammonolysis of Unit Processes
Answer» Correct ANSWER is (a) Primary For EXPLANATION: As branching increases in a HYDROCARBON molecule, reactivity DECREASES, as branching PRODUCES hindrances.

Discussion

90.	In Ammonlysis of aminoalkyl hydrogen sulfate, taurine is obtained by the preferential replacement of which group?(a) Hydroxyl(b) Benzoate(c) Aniline(d) None of the mentionedI got this question in unit test.My question is taken from Aminating Agents-SO3H topic in portion Amination by Ammonolysis of Unit Processes
Answer» Right option is (a) Hydroxyl The BEST explanation: Taurine is OBTAINED by the preferential REPLACEMENT of the hydroxyl group.

Discussion

91.	Complete the following reaction: C14H7O2.SO3H + NH3 —–> C14H7O2.NH2 + _____(a) HSO4(b) H2SO3(c) H2SO4(d) None of the mentionedThe question was asked in a job interview.Asked question is from Aminating Agents-SO3H in division Amination by Ammonolysis of Unit Processes
Answer» Right choice is (b) H2SO3 The EXPLANATION is: The following REACTION SHOWS the replacement of – SO3H by NH2: C14H7O2.SO3H + NH3 —–> C14H7O2.NH2 + H2SO3.

Discussion

92.	The solubility of NH3 in organic solvents is ______ than it is in water. Fill in the blank.(a) More(b) Less(c) Equal(d) None of the mentionedI got this question in examination.The question is from Aminating Agents topic in chapter Amination by Ammonolysis of Unit Processes
Answer» CORRECT OPTION is (B) LESS The best I can explain: The solubility of NH3 in organic solvents is less than it is in water.

Discussion

93.	Organic compounds are soluble in liquid ammonia.(a) True(b) FalseThe question was asked in class test.Question is from Aminating Agents topic in division Amination by Ammonolysis of Unit Processes
Answer» Correct answer is (a) True The best I can EXPLAIN: Ammonia Dissolved in an Inert Solvent. Organic compounds are soluble in LIQUID ammonia to some EXTENT and, conversely, GASEOUS NH3 is soluble in some organic liquids.

Discussion

94.	Why is Br preferred over Cl during conversion of Halogen compounds?(a) High purity products(b) Faster reaction(c) More energy required(d) All of the mentionedThe question was asked during an online exam.My question is from Aminating Agents in portion Amination by Ammonolysis of Unit Processes
Answer» The correct answer is (a) High purity products Easy EXPLANATION: the chlorine DERIVATIVES are ordinarily employed, but bromine-substituted compounds are sometimes used because they usually LEAD to the formation of primary amines of higher purity under milder operating conditions.

Discussion

95.	When comparing NH3 and H2O vapour, as P(NH3)/P(H2O) increases, what happens to the NH3 concentration ?(a) Increases(b) Decreases(c) No change(d) None of the mentionedThe question was asked at a job interview.I'd like to ask this question from Aminating Agents in section Amination by Ammonolysis of Unit Processes
Answer» Correct option is (a) Increases For explanation I would say: with INCREASING NH concentration, there is a COMPARATIVE ACCELERATION in the quotient P(NH3)/P(H2O).

Discussion

96.	For the highest conversion to primary amines during ammonolysis, what temperature is desired ?(a) Highest(b) Lowest(c) Moderate(d) No effectThe question was posed to me in my homework.Question is from Aminating Agents in division Amination by Ammonolysis of Unit Processes
Answer» Correct CHOICE is (b) Lowest For explanation: In ORDER to obtain the highest conversion to PRIMARY amines during AMMONOLYSIS, it is advisable to employ the lowest possible temperature that produces the necessary energy-intensity factor.

Discussion

97.	For what percent does NH3 is negatively absorbed in dilute solutions?(a) Upto 25%(b) Upto 50%(c) Upto 75%(d) Upto 100%The question was posed to me during an internship interview.The origin of the question is Aminating Agents in division Amination by Ammonolysis of Unit Processes
Answer» RIGHT choice is (b) Upto 50% For explanation I would say: NH3 is negatively absorbed in DILUTE SOLUTIONS (i.e., up to 50 PER cent).

Discussion

98.	The Solubility of ammonia in water is influenced by what?(a) Temperature(b) Pressure(c) Temperature & Pressure(d) None of the mentionedI have been asked this question during an interview.This intriguing question originated from Aminating Agents in portion Amination by Ammonolysis of Unit Processes
Answer» RIGHT ANSWER is (c) Temperature & PRESSURE For explanation: Aqueous ammonia might be employed under a variety of conditions, SINCE the solubility of ammonia in water is influenced by both temperature and pressure.

Discussion

99.	The presence of water or other solvent is important in ammonolytic reactions.(a) True(b) FalseThis question was posed to me in homework.Enquiry is from Aminating Agents topic in portion Amination by Ammonolysis of Unit Processes
Answer» Correct option is (a) True Explanation: The presence of water or other SOLVENT must, PLAY an important ROLE in ammonolytic reactions above the critical temperature (131°C) of ammonia.

Discussion

100.	On what quantity does the ammonolysis of halogen and hydroxy compounds depends?(a) Specific reactants(b) Reactivity of amine(c) NH3 ratio(d) All of the mentionedThe question was posed to me in an interview for job.My doubt stems from Aminating Agents in chapter Amination by Ammonolysis of Unit Processes
Answer» The correct choice is (d) All of the mentioned Easiest EXPLANATION: Secondary and tertiary amines are almost ALWAYS FORMED during the ammonolysis of HALOGEN and hydroxy compounds, the quantity depending on the specific reactants, the reactivity of the amine, the NH3 RATIO, and other conditions employed.

Discussion

Explore topic-wise InterviewSolutions in .

The introduction of more than one nitro group greatly decreases the activity of the halogen atom.(a) True(b) FalseThis question was posed to me during a job interview.The above asked question is from Physical and Chemical Properties topic in chapter Amination by Ammonolysis of Unit Processes

The conversion of chlorobenzene to aniline requires what temperature?(a) Below 50°C(b) 100°C(c) 150°C(d) Above 200°CThis question was posed to me during an interview.Origin of the question is Physical and Chemical Properties in division Amination by Ammonolysis of Unit Processes

The replacement of Br atom is easier than Cl atom.(a) True(b) FalseI got this question in unit test.The above asked question is from Physical and Chemical Properties in portion Amination by Ammonolysis of Unit Processes

Are emulsifying and wetting agents important amination process?(a) Yes(b) NoThe question was posed to me in an internship interview.I want to ask this question from Physical and Chemical Properties in portion Amination by Ammonolysis of Unit Processes

Liquid phase reaction are possible without agitation.(a) True(b) FalseThe question was asked during an online interview.The doubt is from Physical and Chemical Properties topic in division Amination by Ammonolysis of Unit Processes

When we dilute NH3 solution, does the reaction suffer?(a) Yes(b) NoI have been asked this question in my homework.The above asked question is from Physical and Chemical Properties topic in portion Amination by Ammonolysis of Unit Processes

Anthraquinonesulfonic acids are more readily converted to amines than the insoluble halogen compounds.(a) True(b) FalseThe question was asked in a national level competition.My question is taken from Physical and Chemical Properties topic in division Amination by Ammonolysis of Unit Processes

Which of the following does not affect the reaction rate?(a) Solubility(b) Agitation(c) Nitro group(d) None of the mentionedI have been asked this question in an online quiz.My query is from Physical and Chemical Properties in chapter Amination by Ammonolysis of Unit Processes

How much amount of yield is produced when NH3 and phenil reacts on Al2O3 catalyst?(a) 50%(b) 68%(c) 88%(d) 98%I have been asked this question in semester exam.Origin of the question is Aminating Agents and Hydrocarbon in chapter Amination by Ammonolysis of Unit Processes

What product do you get on addition of HCN and Acetylene?(a) Alkyl nitrile(b) Acrylo nitrile(c) Hydronitrile(d) None of the mentionedThe question was posed to me in exam.Enquiry is from Aminating Agents and Hydrocarbon in portion Amination by Ammonolysis of Unit Processes

The reaction of phenol and NH3 takes place in presence of what?(a) FeCL3(b) AL (OH)3(c) Fe (OH)2(d) All of the mentionedThe question was asked during an interview for a job.Asked question is from Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes

What all gases do we get from natural gas?(a) Hydrogen(b) Acetylene(c) Synthesis gas(d) All of the mentionedThis question was addressed to me in class test.This is a very interesting question from Aminating Agents and Hydrocarbon topic in section Amination by Ammonolysis of Unit Processes

What acts as a limiting factor in production of urea?(a) Hydrogen(b) Water(c) Carbon(d) NickelThis question was posed to me during a job interview.The above asked question is from Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes

The primary addition compounds are quit unstable.(a) True(b) FalseThis question was addressed to me during an online interview.I would like to ask this question from Aminating Agents-Hydroammonolysis topic in section Amination by Ammonolysis of Unit Processes

Hydroammolysis of ketone are carried out in Liquid phase only.(a) True(b) FalseThis question was addressed to me in an international level competition.My doubt is from Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes

Which type of Aldehyde is acrolein?(a) Saturated(b) Unsaturated(c) Aromatic(d) None of the mentionedThis question was addressed to me in quiz.Question is taken from Aminating Agents-Hydroammonolysis in section Amination by Ammonolysis of Unit Processes

In presence of which catalyst do we get nitriles from aldehydes?(a) Zn-Al(b) Cu-Al(c) Cu-Zn(d) All of the mentionedThis question was addressed to me in final exam.The origin of the question is Aminating Agents-Hydroammonolysis topic in chapter Amination by Ammonolysis of Unit Processes

Continuous vapor-phase reactions cannot be used for the preparation of lower alkylamines.(a) True(b) FalseThis question was addressed to me at a job interview.I'd like to ask this question from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes

The reactions involving the lower aliphatic aldehydes takes place in what phase?(a) Vapour(b) Liquid(c) Solid(d) All of the mentionedI got this question in an interview for job.This question is from Aminating Agents-Hydroammonolysis in section Amination by Ammonolysis of Unit Processes

The amination of alkyl halides produce which type of amines?(a) Primary(b) Secondary(c) Tertiary(d) All of the mentionedThis question was addressed to me in a job interview.My query is from Aminating Agents-SO3H topic in chapter Amination by Ammonolysis of Unit Processes

Which compound would have the highest reactivity?(a) Primary(b) Secondary(c) Tertiary(d) All of the mentionedThis question was addressed to me during an online exam.Question is from Aminating Agents-SO3H in chapter Amination by Ammonolysis of Unit Processes

Complete the following reaction: C14H7O2.SO3H + NH3 —–> C14H7O2.NH2 + _____(a) HSO4(b) H2SO3(c) H2SO4(d) None of the mentionedThe question was asked in a job interview.Asked question is from Aminating Agents-SO3H in division Amination by Ammonolysis of Unit Processes

The solubility of NH3 in organic solvents is ______ than it is in water. Fill in the blank.(a) More(b) Less(c) Equal(d) None of the mentionedI got this question in examination.The question is from Aminating Agents topic in chapter Amination by Ammonolysis of Unit Processes

Organic compounds are soluble in liquid ammonia.(a) True(b) FalseThe question was asked in class test.Question is from Aminating Agents topic in division Amination by Ammonolysis of Unit Processes

Why is Br preferred over Cl during conversion of Halogen compounds?(a) High purity products(b) Faster reaction(c) More energy required(d) All of the mentionedThe question was asked during an online exam.My question is from Aminating Agents in portion Amination by Ammonolysis of Unit Processes

For the highest conversion to primary amines during ammonolysis, what temperature is desired ?(a) Highest(b) Lowest(c) Moderate(d) No effectThe question was posed to me in my homework.Question is from Aminating Agents in division Amination by Ammonolysis of Unit Processes

For what percent does NH3 is negatively absorbed in dilute solutions?(a) Upto 25%(b) Upto 50%(c) Upto 75%(d) Upto 100%The question was posed to me during an internship interview.The origin of the question is Aminating Agents in division Amination by Ammonolysis of Unit Processes

The Solubility of ammonia in water is influenced by what?(a) Temperature(b) Pressure(c) Temperature & Pressure(d) None of the mentionedI have been asked this question during an interview.This intriguing question originated from Aminating Agents in portion Amination by Ammonolysis of Unit Processes

The presence of water or other solvent is important in ammonolytic reactions.(a) True(b) FalseThis question was posed to me in homework.Enquiry is from Aminating Agents topic in portion Amination by Ammonolysis of Unit Processes