Explore topic-wise MCQs in Unit Processes.

This section includes 17 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.

“-NO2” produces which effect?

A. Both the effects
B. Does not produce any
C. +I effect
D. -I
Answer» E.
Discussion
2.

In -I effect, which position is most active?

A. Ortho
B. Para
C. Meta
D. All are equally active
Answer» D. All are equally active
Discussion
3.

If X is the positive end of dipole, it will cause which effect?

A. -I effect
B. +I effect
C. Causes both
D. -M effect
Answer» C. Causes both
Discussion
4.

The inductive effect is not associated with the dipole movement between the molecules C6H5-X?

A. True
B. False
Answer» C.
Discussion
5.

ArH + ____ ——-> ArNO2 + H2O.

A. HNO
B. HNO2
C. HNO3
D. Not needed
Answer» D. Not needed
Discussion
6.

IF_X_IS_THE_POSITIVE_END_OF_DIPOLE,_IT_WILL_CAUSE_WHICH_EFFECT??$

A. -I effect
B. +I effect
C. Causes both
D. -M effect
Answer» C. Causes both
Discussion
7.

“-NO2” produces which effect?$#

A. Both the effects
B. Does not produce any
C. +I effect
D. -I
Answer» E.
Discussion
8.

In -I effect, which position is most active?$

A. Ortho
B. Para
C. Meta
D. All are equally active
Answer» D. All are equally active
Discussion
9.

-I effect causes _______ to electron?

A. Attraction
B. Repulsion
C. Does not affect
D. None of the mentioned
Answer» B. Repulsion
Discussion
10.

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 mentioned
Answer» C. All of the mentioned
Discussion
11.

The inductive effect is not associated with the dipole movement between the molecules C6H5-X?

A. True
B. False
Answer» C.
Discussion
12.

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 mentioned
Answer» C. 1,3 and 1,6
Discussion
13.

Nitration products at ortho and para position predominates?

A. True
B. False
Answer» B. False
Discussion
14.

The electron density is least at which position?

A. Ortho
B. Para
C. Meta
D. Equal at all places
Answer» D. Equal at all places
Discussion
15.

In which position does the nitro group enters?

A. Ortho
B. Para
C. Meta
D. All of the mentioned
Answer» E.
Discussion
16.

The nitrating agent is a ______ reactant.

A. Electrophilic
B. Nucleophilic
C. All of the mentioned
D. None of the mentioned
Answer» B. Nucleophilic
Discussion
17.

ArH + ____ ——-> ArNO2 + H2O.

A. HNO
B. HNO<sub>2</sub>
C. HNO<sub>3</sub>
D. Not needed
Answer» D. Not needed
Discussion