75 + Interview Questions in Nitration in Unit Processes Page 2 InterviewSolution

51.	Which order kinetics show highly reactive substrates?(a) Zero order(b) First order(c) Second order(d) None of the mentionedI had been asked this question in a national level competition.My doubt stems from Nitration of Organic Solvent topic in chapter Nitration of Unit Processes
Answer» Correct OPTION is (a) Zero order Explanation: The reactive of the substrate is HIGHEST with Zero order REACTION.

Discussion

52.	The kinetics of the nitration process depends upon what?(a) Aromatic compounds(b) Catalyst(c) Nitrite compounds(d) None of the mentionedI got this question in homework.My query is from Nitration of Organic Solvent in section Nitration of Unit Processes
Answer» RIGHT choice is (a) AROMATIC compounds To elaborate: With increase in aromatic compounds, the KINETICS of nitration process increases.

Discussion

53.	The rate of Nitration depends upon what?(a) Temperature(b) Concentration(c) Pressure(d) All of the mentionedI got this question in a national level competition.My question is taken from Nitration of Organic Solvent in section Nitration of Unit Processes
Answer» CORRECT option is (b) Concentration Explanation: The rate of REACTION is proportional to the concentration of the NITRIC and SULPHURIC acid.

Discussion

54.	The inductive effect is weaker at ortho position than at para position.(a) True(b) FalseI had been asked this question in unit test.Query is from Nitration of Organic Solvent topic in division Nitration of Unit Processes
Answer» Correct choice is (b) False To ELABORATE: The INDUCTIVE effect is stronger at ORTHO position than at PARA.

Discussion

55.	If alkyl group increases, what happens to ortho: para ratio?(a) Does not affect(b) Increases(c) Decreases(d) None of the mentionedThis question was posed to me in an interview for job.My question comes from Nitration of Organic Solvent topic in section Nitration of Unit Processes
Answer» The correct OPTION is (c) DECREASES The BEST I can explain: If alkyl GROUP increases, the ortho SUBSTITUTED product decreases and ortho: para ratio decreases.

Discussion

56.	In -I effect, which position is most active?(a) Ortho(b) Para(c) Meta(d) All are equally activeI had been asked this question by my college professor while I was bunking the class.This intriguing question comes from Aromatic Nitration in portion Nitration of Unit Processes
Answer» The correct option is (c) META For explanation I would say: -I effect reduces the REACTIVITY of all the positions in the ring, and the effect being GREATER at ortho and PARA positions, hence meta is more active.

Discussion

57.	If X is the positive end of dipole, it will cause which effect?(a) -I effect(b) +I effect(c) Causes both(d) -M effectI have been asked this question in an interview for job.My question is based upon Aromatic Nitration topic in portion Nitration of Unit Processes
Answer» Right choice is (b) +I EFFECT The explanation is: As X is the POSITIVE end, it will increase the ELECTRON density on the ring and HENCE PRODUCES +I effect.

Discussion

58.	-I effect causes _______ to electron?(a) Attraction(b) Repulsion(c) Does not affect(d) None of the mentionedThis question was posed to me during an interview.My doubt stems from Aromatic Nitration in chapter Nitration of Unit Processes
Answer» CORRECT option is (a) Attraction Easy EXPLANATION: Inductive effect causes MOVEMENT of electron -I effect ATTRACTS electron towards the molecule(X).

Discussion

59.	What is alpha and beta position in naphthalene series?(a) 1,4 and 1,8(b) 1,5 and 1,8(c) 1,3 and 1,6(d) All of the mentionedThe question was posed to me in unit test.This intriguing question comes from Aromatic Nitration topic in chapter Nitration of Unit Processes
Answer» Correct choice is (b) 1,5 and 1,8 The best I can explain: Naphthalene series has 2 different MONONITRO DERIVATIVES CALLED alpha and beta KNOW as 1, 5 nitronaphthalene and 1, 8 nitronapthalene.

Discussion

60.	If X is negative in the inductive effect, it draws _____ towards itself.(a) Protons(b) Electrons(c) All of the mentioned(d) None of the mentionedThis question was addressed to me in an interview for internship.The origin of the question is Aromatic Nitration topic in division Nitration of Unit Processes
Answer» The CORRECT choice is (b) Electrons To explain: The INDUCTIVE EFFECT is produced due to the movement of electrons as they are lighter. Therefore atoms or MOLECULES having an ELECTRON induces negative inductive effect.

Discussion

61.	The inductive effect is not associated with the dipole movement between the molecules C6H5-X?(a) True(b) FalseThis question was addressed to me in semester exam.Origin of the question is Aromatic Nitration topic in division Nitration of Unit Processes
Answer» The CORRECT choice is (b) False To elaborate: The inductive EFFECT depends on the ELECTRON density which produces a dipole movement between the MOLECULE.

Discussion

62.	Nitration products at ortho and para position predominates?(a) True(b) FalseI got this question during a job interview.Question is taken from Aromatic Nitration topic in division Nitration of Unit Processes
Answer» Right answer is (a) True For explanation: As electron density is GREATER at ortho and para positions, the SUBSTITUTION of nitrating compound at ortho and para PREDOMINATES.

Discussion

63.	The electron density is least at which position?(a) Ortho(b) Para(c) Meta(d) Equal at all placesThe question was asked in a job interview.This interesting question is from Aromatic Nitration topic in chapter Nitration of Unit Processes
Answer» CORRECT ANSWER is (c) Meta Explanation: The electron density is LEAST at -meta POSITION, as its least favourable position.

Discussion

64.	In which position does the nitro group enters?(a) Ortho(b) Para(c) Meta(d) All of the mentionedI have been asked this question in class test.The doubt is from Aromatic Nitration topic in chapter Nitration of Unit Processes
Answer» CORRECT answer is (d) All of the mentioned For explanation: Ortho, para, and meta are the positions on the ring where the NITRO GROUP ENTERS.

Discussion

65.	The nitrating agent is a ______ reactant.(a) Electrophilic(b) Nucleophilic(c) All of the mentioned(d) None of the mentionedI had been asked this question during an interview.Question is taken from Aromatic Nitration in portion Nitration of Unit Processes
Answer» Right choice is (a) Electrophilic Explanation: The nitrating agent is CALLED ELECTROPHILE reactant as it is positively CHARGED.

Discussion

66.	The 3 different Ultraviolet spectrum are dilute aqueous solvent, inert solvent and ester.(a) True(b) FalseThe question was posed to me in unit test.This question is from Nitrating Agents in section Nitration of Unit Processes
Answer» RIGHT OPTION is (a) TRUE To EXPLAIN: The above STATEMENT is true.

Discussion

67.	ArH + ____ ——-> ArNO2 + H2O.(a) HNO(b) HNO2(c) HNO3(d) Not neededThis question was addressed to me in an interview for internship.This intriguing question originated from Aromatic Nitration in portion Nitration of Unit Processes
Answer» Right ANSWER is (c) HNO3 For explanation I would say: We NEED to use NITRIC acid HNO3 to complete the reaction.

Discussion

68.	What is an Azide ion?(a) -N+(b) -N2+(c) -N3+(d) -N4+This question was addressed to me in a job interview.My question is taken from Nitrating Agents topic in portion Nitration of Unit Processes
Answer» CORRECT ANSWER is (c) -N3+ The EXPLANATION is: An azide ION is denoted by -N3+ ion.

Discussion

69.	Nitric acid have different Ultraviolet spectrum?(a) True(b) FalseThis question was posed to me by my college director while I was bunking the class.I'd like to ask this question from Nitrating Agents in division Nitration of Unit Processes
Answer» RIGHT option is (a) True To elaborate: Nitric acid has 3 DIFFERENT TYPES of ultraviolet spectrums.

Discussion

70.	HNO3 + 2H2SO4 ——-> _____ + H3O+ 2HSO4-. Fill in the blank?(a) NO+(b) NO2+(c) NO3+(d) None of the mentionedThe question was posed to me during an online exam.I would like to ask this question from Nitrating Agents topic in division Nitration of Unit Processes
Answer» Correct OPTION is (b) NO2+ The BEST EXPLANATION: Nitric ION is called NO2+, it stabilises the REACTION and brings equilibrium.

Discussion

71.	What is ” N2O4” called?(a) Nitrogen pentoxide(b) Nitrogen Trioxide(c) Nitrogen Dioxide(d) Nitrogen TetroxideI have been asked this question in final exam.I need to ask this question from Nitrating Agents topic in chapter Nitration of Unit Processes
Answer» The correct OPTION is (d) Nitrogen TETROXIDE Easy explanation: It is CALLED Nitrogen tetroxide, as it contains 4 oxygen atom which is called” TETRA”.

Discussion

72.	What is the formula of Nitrile ion?(a) -NO2+(b) -NO3+(c) -NO(d) -NO+This question was posed to me by my college director while I was bunking the class.My question comes from Nitrating Agents topic in section Nitration of Unit Processes
Answer» The correct choice is (a) -NO2+ Easiest EXPLANATION: The Nitrile ION is SHOWN as -NO2+, it’s formed due to reaction of NITRIC acid and sulphuric acid.

Discussion

73.	Which is the most important Nitrating medium?(a) Nitric acid and H2SO3(b) Nitric acid and Sulphuric acid(c) Nitrogentetraoxide and -H2SO4(d) All of the mentionedI got this question in an interview for internship.The question is from Nitrating Agents in section Nitration of Unit Processes
Answer» The CORRECT choice is (b) Nitric acid and Sulphuric acid Explanation: A MIXTURE on nitric acid and sulphuric acid GIVE the most nitrating medium.

Discussion

74.	The Nitration reaction serves to introduce one or more ______ groups into a reacting molecule.(a) Nitro group(b) Nitrite group(c) Ammonia group(d) None of the mentionedThis question was addressed to me during an interview.The question is from Nitrating Agents in section Nitration of Unit Processes
Answer» CORRECT choice is (a) Nitro GROUP The BEST I can explain: Nitro group (-NO2) is used in nitration reactions.

Discussion

75.	What is the formula of Nitrogen pentoxide?(a) N3O5(b) N2O4(c) N2O5(d) N3O4I have been asked this question in exam.Enquiry is from Nitrating Agents topic in division Nitration of Unit Processes
Answer» The correct ANSWER is (c) N2O5 To elaborate: the formula of NITROGEN pentoxide is N2O5, as it ‘penta’ MEANS 5 oxygen atoms.

Discussion

Explore topic-wise InterviewSolutions in .

Which order kinetics show highly reactive substrates?(a) Zero order(b) First order(c) Second order(d) None of the mentionedI had been asked this question in a national level competition.My doubt stems from Nitration of Organic Solvent topic in chapter Nitration of Unit Processes

The kinetics of the nitration process depends upon what?(a) Aromatic compounds(b) Catalyst(c) Nitrite compounds(d) None of the mentionedI got this question in homework.My query is from Nitration of Organic Solvent in section Nitration of Unit Processes

The rate of Nitration depends upon what?(a) Temperature(b) Concentration(c) Pressure(d) All of the mentionedI got this question in a national level competition.My question is taken from Nitration of Organic Solvent in section Nitration of Unit Processes

The inductive effect is weaker at ortho position than at para position.(a) True(b) FalseI had been asked this question in unit test.Query is from Nitration of Organic Solvent topic in division Nitration of Unit Processes

If alkyl group increases, what happens to ortho: para ratio?(a) Does not affect(b) Increases(c) Decreases(d) None of the mentionedThis question was posed to me in an interview for job.My question comes from Nitration of Organic Solvent topic in section Nitration of Unit Processes

In -I effect, which position is most active?(a) Ortho(b) Para(c) Meta(d) All are equally activeI had been asked this question by my college professor while I was bunking the class.This intriguing question comes from Aromatic Nitration in portion Nitration of Unit Processes

If X is the positive end of dipole, it will cause which effect?(a) -I effect(b) +I effect(c) Causes both(d) -M effectI have been asked this question in an interview for job.My question is based upon Aromatic Nitration topic in portion Nitration of Unit Processes

-I effect causes _______ to electron?(a) Attraction(b) Repulsion(c) Does not affect(d) None of the mentionedThis question was posed to me during an interview.My doubt stems from Aromatic Nitration in chapter Nitration of Unit Processes

What is alpha and beta position in naphthalene series?(a) 1,4 and 1,8(b) 1,5 and 1,8(c) 1,3 and 1,6(d) All of the mentionedThe question was posed to me in unit test.This intriguing question comes from Aromatic Nitration topic in chapter Nitration of Unit Processes

The inductive effect is not associated with the dipole movement between the molecules C6H5-X?(a) True(b) FalseThis question was addressed to me in semester exam.Origin of the question is Aromatic Nitration topic in division Nitration of Unit Processes

Nitration products at ortho and para position predominates?(a) True(b) FalseI got this question during a job interview.Question is taken from Aromatic Nitration topic in division Nitration of Unit Processes

The electron density is least at which position?(a) Ortho(b) Para(c) Meta(d) Equal at all placesThe question was asked in a job interview.This interesting question is from Aromatic Nitration topic in chapter Nitration of Unit Processes

In which position does the nitro group enters?(a) Ortho(b) Para(c) Meta(d) All of the mentionedI have been asked this question in class test.The doubt is from Aromatic Nitration topic in chapter Nitration of Unit Processes

The nitrating agent is a ______ reactant.(a) Electrophilic(b) Nucleophilic(c) All of the mentioned(d) None of the mentionedI had been asked this question during an interview.Question is taken from Aromatic Nitration in portion Nitration of Unit Processes

The 3 different Ultraviolet spectrum are dilute aqueous solvent, inert solvent and ester.(a) True(b) FalseThe question was posed to me in unit test.This question is from Nitrating Agents in section Nitration of Unit Processes

ArH + ____ ——-> ArNO2 + H2O.(a) HNO(b) HNO2(c) HNO3(d) Not neededThis question was addressed to me in an interview for internship.This intriguing question originated from Aromatic Nitration in portion Nitration of Unit Processes

What is an Azide ion?(a) -N+(b) -N2+(c) -N3+(d) -N4+This question was addressed to me in a job interview.My question is taken from Nitrating Agents topic in portion Nitration of Unit Processes

Nitric acid have different Ultraviolet spectrum?(a) True(b) FalseThis question was posed to me by my college director while I was bunking the class.I'd like to ask this question from Nitrating Agents in division Nitration of Unit Processes

HNO3 + 2H2SO4 ——-> _____ + H3O+ 2HSO4-. Fill in the blank?(a) NO+(b) NO2+(c) NO3+(d) None of the mentionedThe question was posed to me during an online exam.I would like to ask this question from Nitrating Agents topic in division Nitration of Unit Processes

What is ” N2O4” called?(a) Nitrogen pentoxide(b) Nitrogen Trioxide(c) Nitrogen Dioxide(d) Nitrogen TetroxideI have been asked this question in final exam.I need to ask this question from Nitrating Agents topic in chapter Nitration of Unit Processes

What is the formula of Nitrile ion?(a) -NO2+(b) -NO3+(c) -NO(d) -NO+This question was posed to me by my college director while I was bunking the class.My question comes from Nitrating Agents topic in section Nitration of Unit Processes

Which is the most important Nitrating medium?(a) Nitric acid and H2SO3(b) Nitric acid and Sulphuric acid(c) Nitrogentetraoxide and -H2SO4(d) All of the mentionedI got this question in an interview for internship.The question is from Nitrating Agents in section Nitration of Unit Processes

The Nitration reaction serves to introduce one or more ______ groups into a reacting molecule.(a) Nitro group(b) Nitrite group(c) Ammonia group(d) None of the mentionedThis question was addressed to me during an interview.The question is from Nitrating Agents in section Nitration of Unit Processes

What is the formula of Nitrogen pentoxide?(a) N3O5(b) N2O4(c) N2O5(d) N3O4I have been asked this question in exam.Enquiry is from Nitrating Agents topic in division Nitration of Unit Processes