Related InterviewSolutions

• The purification of products, during the formation of a(alpha)-nitronaphthalene , depends upon the following ____________(a) Use of minimum solvent(b) Constant agitation(c) All of the mentioned(d) None of the mentionedI got this question in class test.Asked question is from Preparations in chapter Nitration of Unit Processes
• Complete the above reaction: C6H5CH3 + 18H2SO4 + 18HNO3 ——–>____ HNOSO4 + 7CO2 + 22H2O(a) 16(b) 17(c) 18(d) 19I got this question during an interview for a job.My question is from Preparations topic in section Nitration of Unit Processes
• When naphthalene is nitrated under optimal conditions, what product do we get?(a) a(alpha)-nitrotoluene(b) b(beta)-nitrotoluene(c) (gamma)-nitrotoluene(d) all of the mentionedThis question was addressed to me in exam.I want to ask this question from Preparations in portion Nitration of Unit Processes
• What is used for the production if dyes and isocyanates?(a) Nitrotoluenes(b) Toluene(c) Phenol(d) AminesThis question was addressed to me in an interview.I'd like to ask this question from Preparations in division Nitration of Unit Processes
• What is the formula of m-Dinitro benzene?(a) (1,3)-Dinitrobenzene(b) (1,2)-Dinitrobenzene(c) (1,4)-Dinitrobenzene(d) (1,5)-DinitrobenzeneThe question was asked during an interview for a job.Asked question is from Preparations topic in division Nitration of Unit Processes
• For preparation of Chloro-nitrobenzene which of the following position gives highest amount?(a) Ortho(b) Meta(c) Para(d) All of the mentionedThis question was addressed to me during an online interview.My question is from Preparations in portion Nitration of Unit Processes
• What percent of nitric acid is added to the nitrator to produce a mixed acid during the process of continuous nitration with fortified spent acid?(a) 4%(b) 63%(c) 36%(d) 45%I had been asked this question during an interview.My question is based upon Preparations topic in section Nitration of Unit Processes
• The losses incidental to the neutralization of the nitrobenzene are directly proportional to what?(a) Number of washes given(b) The amount of water used(c) All of the mentioned(d) None of the mentionedThe question was asked during an interview.The query is from Preparations in portion Nitration of Unit Processes
• Why is keeping the D.V.S ratio high, a stability factor?(a) Tends to complete nitration and esterification reaction(b) Accumulation of incompletely nitrated material(c) All of the mentioned(d) None of the mentionedThe question was asked in examination.My doubt is from Mixed Acids for Nitration topic in section Nitration of Unit Processes
• What happens while decreasing the D.V.S value?(a) Increase in stability(b) Decrease in stability(c) Doesn’t affect the stability(d) Both increase and decrease stabilityI got this question at a job interview.Question is taken from Mixed Acids for Nitration topic in chapter Nitration of Unit Processes