Explore topic-wise MCQs in Unit Processes.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

Complete the reaction? C6H6 + NO2-OH ——–> _______ + H2O.

A. C6H5-NH4
B. C6H5-NH3
C. C6H5-NO2
D. C6H5-OH
Answer» D. C6H5-OH
Discussion
2.

What is NO2+ called?

A. Nitryl ion
B. Nitronium ion
C. Both of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

What does D.V.S stand for?

A. Denitration of Sulphuric acid
B. Dehydrating value of sulphuric acid
C. Decomposition of Sulphuric acid
D. None of the mentioned
Answer» C. Decomposition of Sulphuric acid
Discussion
4.

COMPLETE_THE_REACTION?_C6H6_+_NO2-OH_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ√Ü‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ√Ü‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®>_________+_H2O.?$#

A. C<sub>6</sub>H<sub>5</sub>-NH<sub>4</sub>
B. C<sub>6</sub>H<sub>5</sub>-NH3
C. C<sub>6</sub>H<sub>5</sub>-NO<sub>2</sub>
D. C<sub>6</sub>H<sub>5</sub>-OH
Answer» D. C<sub>6</sub>H<sub>5</sub>-OH
Discussion
5.

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 mentioned
Answer» B. Accumulation of incompletely nitrated material
Discussion
6.

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 stability
Answer» C. Doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t affect the stability
Discussion
7.

Which of the following is the correct formula?

A. R= N/X
B. EN/R = EX
C. X= N/R
D. All of the mentioned
Answer» E.
Discussion
8.

To calculate D.V.S. from the mixed-acid analysis the formula is, D.V.S ___________

A. S/(EW/R+W)
B. S/(ES/R+W)
C. S / (ER/ R+W)
D. S / (EN / R+W)
Answer» E.
Discussion
9.

What is NO2+ called?

A. Nitryl ion
B. Nitronium ion
C. Both of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
10.

What do you mean by Nitric ratio?

A. Ratio of wt of 100% HNO<sub>3</sub> / wt of materials being nitrated
B. Ratio of wt of 100% HNO<sub>3</sub>/ wt of 100% H<sub>2</sub>SO<sub>4</sub>
C. Ratio of wt of 100% H<sub>2</sub>SO<sub>4</sub>/ wt of materials being nitrated
D. Ratio of wt of 100% H<sub>2</sub>SO<sub>4</sub>/ wt of 100% HNO<sub>3</sub>
Answer» B. Ratio of wt of 100% HNO<sub>3</sub>/ wt of 100% H<sub>2</sub>SO<sub>4</sub>
Discussion
11.

What do we denote Nitric ratio as?

A. N
B. n
C. R
D. r
Answer» D. r
Discussion
12.

What is the full form of D.V.S in Mixed Acids Nitration?

A. Denitration of Sulphuric acid
B. Dehydrating value of sulphuric acid
C. Decomposition of Sulphuric acid
D. None of the mentioned
Answer» C. Decomposition of Sulphuric acid
Discussion
13.

Why is there a need to have one of the reactant in excess?

A. To achieve equilibrium faster
B. Satisfying the stoichiometric requirement
C. Stable reaction
D. All of the mentioned
Answer» E.
Discussion