

InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is meant by TMMD?(a) Trimethylmethylenediamine(b) Tetramethylmethylenediamine(c) Trimethydiamine(d) None of the mentionedI got this question during an online interview.This interesting question is from Technical Manufacturing of Amino Compound topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» RIGHT choice is (b) TETRAMETHYLMETHYLENEDIAMINE For explanation: The FULL form of TMMD is Tetramethylmethylenediamine. |
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2. |
Hydroammonolysis of Acetone yield a mixture of products.(a) True(b) FalseThis question was posed to me in examination.This is a very interesting question from Technical Manufacturing of Amino Compound in division Amination by Ammonolysis of Unit Processes |
Answer» Correct option is (a) True |
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3. |
Trimethylamines form an azeotrope in the above reaction.(a) True(b) FalseI have been asked this question in an internship interview.The question is from Technical Manufacturing of Amino Compound topic in portion Amination by Ammonolysis of Unit Processes |
Answer» RIGHT OPTION is (a) True For explanation I would say: Trimethylamine forms a binary azeotrope not only with NH3, but with MONO- and dimethylamines as well, and that mono- and dimethylamine mixtures, boiling about 14°C APART, can be conveniently separated by FRACTIONAL distillation. |
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4. |
The solubility is only influenced by solvent.(a) True(b) FalseI had been asked this question during an interview.This interesting question is from Technical Manufacturing of Amino Compound topic in portion Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT answer is (B) False |
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5. |
What product(s) do we get on reaction of methanol with ammonia?(a) Trimethylamines(b) Dimethylamines(c) Monomethylamines(d) All of the mentionedI had been asked this question by my school principal while I was bunking the class.My question comes from Technical Manufacturing of Amino Compound topic in division Amination by Ammonolysis of Unit Processes |
Answer» CORRECT choice is (d) All of the mentioned To explain I WOULD SAY: Mono-, DI-, and trimethylamines are obtained by the reaction of methanol with ammonia under a pressure of 50 atm at about 380-450°C, over an aluminium OXIDE catalyst. |
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6. |
Sodium Anthraquinone-2-sulfonate is also called what?(a) Zinc salt(b) Silver salt(c) Iron salt(d) Potassium saltI got this question during a job interview.My question is from Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» RIGHT CHOICE is (B) Silver salt Explanation: The PREPARATION of 2-aminoanthraquinone from “silver” salt i.e. Sodium Anthraquinone-2-sulfonate. |
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7. |
What is the yield of the production of 2-aminoanthraquinone?(a) 70-80(b) 80-90(c) 90-100(d) None of the mentionedI got this question in class test.Query is from Technical Manufacturing of Amino Compound topic in portion Amination by Ammonolysis of Unit Processes |
Answer» CORRECT answer is (c) 90-100 Explanation: The 2-aminoanthraquinone obtained by this process generally averages 99 PER cent pure, by TITRATION with sodium nitrite. The YIELDS range from 90-94 per cent of the theoretical. |
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8. |
What does CK stand for in continuous production of nitroaniline?(a) Cooling vessel(b) Agitated vessel(c) Both of the mentioned(d) None of the mentionedI have been asked this question in my homework.This is a very interesting question from Technical Manufacturing of Amino Compound in division Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT choice is (c) Both of the mentioned |
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9. |
Sodium Anthraquinone-2-sulfonate on amination produces what?(a) 2-Aminoanthraquinone(b) 3-Aminoanthraquinone(c) 2-anthraquinone(d) 2-AminequinoneI got this question in an interview for internship.My question is from Technical Manufacturing of Amino Compound topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT choice is (a) 2-Aminoanthraquinone |
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10. |
What does magma consists of?(a) Aluminium(b) Nitroaniline(c) Aniline(d) All of the mentionedI got this question in an interview for job.This question is from Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT OPTION is (b) Nitroaniline |
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11. |
The preparation of p-Nitroaniline in Jacketed Autoclaves is done in which reactor?(a) Continuous(b) Batch(c) Semibatch(d) TubularThe question was posed to me during a job interview.The query is from Technical Manufacturing of Amino Compound in chapter Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT option is (b) BATCH |
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12. |
In the reaction of 2-Aminoanthraquinone from 2-Chloroanthraquinone what oxidants do we use?(a) Potassium chlorate(b) Nitric acid(c) Halogen(d) All of the mentionedThe question was posed to me by my college professor while I was bunking the class.This intriguing question comes from Technical Manufacturing of Amino Compound in section Amination by Ammonolysis of Unit Processes |
Answer» The correct option is (a) Potassium CHLORATE |
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13. |
Chlorobenzene in presence of NH3 gives what?(a) Aniline(b) Benzene(c) Phenol(d) HClI got this question in semester exam.My doubt stems from Technical Manufacturing of Amino Compound topic in portion Amination by Ammonolysis of Unit Processes |
Answer» RIGHT ANSWER is (a) Aniline The EXPLANATION is: C6H5-Cl + NH3—–> C6H5-NH2 + HCL. |
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14. |
Why should we increase the ratio of NH3 in the above reaction?(a) Better yield(b) Aniline production(c) Good quality(d) All of the mentionedThe question was asked by my college professor while I was bunking the class.Origin of the question is Technical Manufacturing of Amino Compound topic in portion Amination by Ammonolysis of Unit Processes |
Answer» The correct choice is (d) All of the mentioned |
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15. |
To achieve optimum yield in synthesis of HCN, oxygen should be in excess.(a) True(b) FalseThis question was addressed to me in a national level competition.This is a very interesting question from Technical Manufacturing of Amino Compound in portion Amination by Ammonolysis of Unit Processes |
Answer» Correct choice is (b) False |
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16. |
Formation of HCN from NH3, CH4 and O2 reacts on which catalyst?(a) Zinc(b) Iron(c) Platinum(d) All of the mentionedThis question was addressed to me during an internship interview.My query is from Technical Manufacturing of Amino Compound topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» RIGHT answer is (C) Platinum Easiest explanation: The synthesis of HCN from ammonia, methane (natural gas), and air. The over-all reaction CH4 + NH3 + 1.5 O2—–>HCN + 3H20 can be carried out effectively at about 1000°C over platinum-alloy SCREEN CATALYSTS. |
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17. |
Complete the following reaction: CH4 + H2O —-> ____ + 2H2O.(a) CO(b) CO2(c) O2(d) None of the mentionedThe question was posed to me in a national level competition.I'm obligated to ask this question of Technical Manufacturing of Amino Compound topic in division Amination by Ammonolysis of Unit Processes |
Answer» Right option is (a) CO |
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18. |
Which gas is very important for the synthetic ammonia manufacture?(a) Synthesis gas(b) Nitrogen gas(c) Hydrogen gas(d) All of the mentionedI had been asked this question by my college professor while I was bunking the class.This intriguing question comes from Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT choice is (a) Synthesis gas |
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19. |
What is the stoichiometric ratio of N2 to H2?(a) 1:1(b) 1:2(c) 1:3(d) 3:1I have been asked this question in an online interview.My doubt stems from Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» Correct ANSWER is (c) 1:3 |
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20. |
What happens to equilibrium as temperature increases?(a) Increases(b) Decreases(c) Remains constant(d) None of the mentionedThe question was asked by my school teacher while I was bunking the class.I'm obligated to ask this question of Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» Right option is (b) Decreases |
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21. |
The reaction of H2 to N2 is highly ______. Fill in the blank.(a) Endothermic(b) Exothermic(c) Neutral(d) None of the mentionedI had been asked this question in quiz.Enquiry is from Technical Manufacturing of Amino Compound topic in section Amination by Ammonolysis of Unit Processes |
Answer» CORRECT CHOICE is (B) Exothermic Explanation: The reaction of ‘nitrogen with hydrogen to FORM ammonia is a highly exothermic reaction. ACCORDING to Le Chatelier. |
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22. |
Ammonia is manufactured by addition of H2 to N2 on which catalyst?(a) Cu(b) Zn(c) Fe(d) AlI got this question in an interview for job.My question comes from Technical Manufacturing of Amino Compound in division Amination by Ammonolysis of Unit Processes |
Answer» CORRECT answer is (C) Fe The best I can EXPLAIN: Most of the world’s ammonia SUPPLY is manufactured by the addition of HYDROGEN to nitrogen over an iron-based catalyst at elevated temperatures and pressures. |
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23. |
Which type of element is Asbestos?(a) Conducting(b) Insulating(c) Heat exchange(d) None of the mentionedThe question was asked in an interview for internship.My doubt stems from Design of Reactors and Auxiliares topic in division Amination by Ammonolysis of Unit Processes |
Answer» The correct answer is (B) Insulating |
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24. |
Gas-phase reactions are carried out continuously in which reactors?(a) Compact reactor(b) Shell and tube reactor(c) Double pipe reactor(d) All of the mentionedThe question was asked in an interview for internship.I'd like to ask this question from Design of Reactors and Auxiliares topic in portion Amination by Ammonolysis of Unit Processes |
Answer» The correct answer is (b) Shell and tube reactor |
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25. |
Small tubes are commonly employed where the reaction is rapid.(a) True(b) FalseI got this question in a job interview.My question comes from Design of Reactors and Auxiliares in section Amination by Ammonolysis of Unit Processes |
Answer» Correct choice is (a) True |
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26. |
Which of the following provides high speed agitation?(a) Gate(b) Anchor(c) Propellers(d) PaddleI had been asked this question at a job interview.Question is from Design of Reactors and Auxiliares in chapter Amination by Ammonolysis of Unit Processes |
Answer» RIGHT answer is (C) Propellers For EXPLANATION: Agitation is frequently accomplished by MEANS of high-speed propellers or vaned discs, LESS intense agitation is provided by gate, anchor, and paddle types of agitators. |
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27. |
Is mechanical agitation required in autoclaves?(a) Yes(b) NoThis question was posed to me in semester exam.This interesting question is from Design of Reactors and Auxiliares in section Amination by Ammonolysis of Unit Processes |
Answer» RIGHT option is (a) Yes To elaborate: Mechanical agitation, which is USUALLY DESIRABLE, is necessary when the reactants are IMMISCIBLE. |
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28. |
What is the pressure employed for steel autoclaves?(a) 500-600 psig(b) 600-700 psig(c) 700-800 psig(d) 800-900 psigThis question was posed to me during an internship interview.This is a very interesting question from Design of Reactors and Auxiliares in chapter Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT CHOICE is (c) 700-800 psig |
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29. |
In batch reaction, for small diameter, what is the pressure used?(a) High(b) Low(c) Moderate(d) All of the mentionedThe question was posed to me in an interview for internship.My query is from Design of Reactors and Auxiliares topic in section Amination by Ammonolysis of Unit Processes |
Answer» RIGHT answer is (a) High For explanation I would SAY: In reactors TUBES or reaction vessels having SMALL diameters are preferred for higher pressures. |
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30. |
Which of the following ammonolysis is an exothermic reaction?(a) Phenols(b) Alcohols(c) Aldehyde(d) All of the mentionedI got this question during an interview.My question is from Design of Reactors and Auxiliares in section Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT choice is (d) All of the mentioned |
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31. |
Reactions of hydrocarbons with ammonia is which type of reaction?(a) Endothermic(b) Exothermic(c) Neutral(d) None of the mentionedI have been asked this question in quiz.I'd like to ask this question from Design of Reactors and Auxiliares in section Amination by Ammonolysis of Unit Processes |
Answer» Right OPTION is (a) Endothermic |
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32. |
Greater the molecular weight, higher will be the rate of ammonolysis.(a) True(b) FalseThe question was posed to me in an online interview.Question is taken from Kinetics of Ammonolysis topic in section Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT choice is (b) False |
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33. |
Complete the following reaction: R-COO-R’ + NH3 —–> _____ + HOR’.(a) R-CO-R’(b) R-COOH(c) R-C-NH2(d) R-CONH2The question was posed to me during an online interview.My question comes from Kinetics of Ammonolysis topic in division Amination by Ammonolysis of Unit Processes |
Answer» CORRECT OPTION is (d) R-CONH2 Easy explanation: The REACTION is ammonolysis of ester, which is: R-COO-R’ + NH3 —–> R-CONH2 + HOR’. |
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34. |
What product do we get on ammonolysis of ester?(a) Amine(b) Amide(c) Aniline(d) AzoI got this question in my homework.This key question is from Kinetics of Ammonolysis topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» CORRECT OPTION is (b) AMIDE Explanation: The ammonolysis of ESTERS produces amide as its only PRODUCT. |
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35. |
The reactions of ammonia and organic compounds are effected in which phase?(a) Vapour(b) Liquid(c) Both of the mentioned(d) None of the mentionedThis question was addressed to me in a job interview.I need to ask this question from Kinetics of Ammonolysis in portion Amination by Ammonolysis of Unit Processes |
Answer» Right answer is (c) Both of the mentioned |
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36. |
What do we denote reaction-rate constant as?(a) C(b) d(c) k(d) None of the mentionedI had been asked this question in semester exam.My question comes from Kinetics of Ammonolysis in portion Amination by Ammonolysis of Unit Processes |
Answer» Correct choice is (c) K |
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37. |
What is the nature of amination reaction?(a) Unimolecular(b) Bimolecular(c) Trimolecular(d) PolymolecularThe question was asked in final exam.The origin of the question is Kinetics of Ammonolysis in chapter Amination by Ammonolysis of Unit Processes |
Answer» CORRECT option is (b) Bimolecular The EXPLANATION is: The reaction is bimolecular in NATURE and involves the reaction of ONE MOLECULE of ammonia with one molecule of the other reactant. |
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38. |
What is the method to control the pH of autoclave charge?(a) copper-ammonio hydroxides(b) zinc-ammonio hydroxides(c) Copper-ammonio(d) Copper-Nickel hydroxidesThis question was posed to me by my school principal while I was bunking the class.Question is from Kinetics of Ammonolysis topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» The correct choice is (a) copper-ammonio HYDROXIDES |
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39. |
Which of the following is an acid inhibitor?(a) Alkylamines(b) Secondary amines(c) Pyridine(d) All of the mentionedI got this question in homework.My question comes from Kinetics of Ammonolysis topic in portion Amination by Ammonolysis of Unit Processes |
Answer» The correct ANSWER is (d) All of the mentioned |
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40. |
Factors that affect the equilibrium?(a) Temperature of the system(b) Relative basicity of the amine(c) Solubility of the amine(d) All of the mentionedThis question was posed to me in an internship interview.This key question is from Kinetics of Ammonolysis topic in section Amination by Ammonolysis of Unit Processes |
Answer» The correct choice is (d) All of the mentioned |
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41. |
Al can be extracted from the product by which media?(a) Acid medium(b) Alkaline medium(c) None of the mentioned(d) Both of the mentionedThis question was addressed to me in an online quiz.This interesting question is from Amination Reactions topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» Correct option is (B) Alkaline medium |
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42. |
Metal catalyst shouldn’t be used in exothermic reactions.(a) True(b) FalseI had been asked this question in an interview for job.The doubt is from Amination Reactions in section Amination by Ammonolysis of Unit Processes |
Answer» Right ANSWER is (b) False |
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43. |
Complete the following reaction: 2NaAlO2 + H2O —–> ______ + H2O.(a) AlO3(b) Al2O4(c) Al2O3(d) NaAlO2I have been asked this question in an interview for internship.This interesting question is from Amination Reactions topic in division Amination by Ammonolysis of Unit Processes |
Answer» The correct answer is (C) AL2O3 |
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44. |
Which of the following is a Foraminate catalyst?(a) Ni(b) H2(c) Al(d) All of the mentionedI got this question in a national level competition.I'm obligated to ask this question of Amination Reactions topic in chapter Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT option is (a) Ni |
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45. |
The catalyst of Aluminium phosphate acts as what?(a) Hydrating(b) Dehydrating(c) Aminating(d) All of the mentionedThis question was posed to me during an online interview.Enquiry is from Amination Reactions topic in division Amination by Ammonolysis of Unit Processes |
Answer» Correct answer is (b) DEHYDRATING |
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46. |
The reaction of aniline with cupric nitrate leads to what of the amine?(a) Reduction(b) Acidification(c) Oxidation(d) HydrogenationI got this question during an interview.My doubt stems from Amination Reactions topic in portion Amination by Ammonolysis of Unit Processes |
Answer» The correct choice is (C) OXIDATION |
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47. |
In the preparation of easily oxidizable amines, ____ catalyst is good.(a) High(b) Low(c) Moderate(d) None of the mentionedI got this question in homework.Asked question is from Amination Reactions topic in section Amination by Ammonolysis of Unit Processes |
Answer» The CORRECT ANSWER is (B) Low |
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48. |
In manufacturing of Aniline from Chlorobenzene which salt gives better result?(a) Cuprous salt(b) Aluminium salt(c) Zinc salt(d) All of the mentionedThis question was posed to me in semester exam.Enquiry is from Amination Reactions in portion Amination by Ammonolysis of Unit Processes |
Answer» Right answer is (a) CUPROUS salt |
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49. |
Which metal catalyst is used in amination of aromatic halogen compound?(a) Cu(b) Ar(c) Ag(d) All of the mentionedI got this question in quiz.My doubt is from Amination Reactions in division Amination by Ammonolysis of Unit Processes |
Answer» Correct answer is (d) All of the mentioned |
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50. |
Which of the following is/are the advantage for using excess NH3?(a) Rapid amination(b) Complete reaction(c) Large quantity(d) All of the mentionedI got this question during an online exam.This key question is from Physical and Chemical Properties in chapter Amination by Ammonolysis of Unit Processes |
Answer» CORRECT ANSWER is (d) All of the mentioned To elaborate: by utilizing a more concentrated NH3 solution for non-catalytic aminations may be summed up as FOLLOWS: (1) amination is more rapid, (2) conversion of reacting compound to primary amine is more COMPLETE, (3) formation of secondary and tertiary amines and HYDROXY compounds is inhibited, (4) lower reaction temperatures can be used, and (5) since larger batches can be treated. |
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