Nucleophilic Substitution Reaction
Trending Questions
Q.
Which of the following is an electrophilic substitution reaction?
None of these
C6H6+Br2 FeBr3−−−−→ C6H5Br+HBr
R2−H|C −Cl→ R2C:
Cl2→2Cl
Q. The correct sequence regarding the activity of the given acid derivative towards nucleophilic substitution reaction is:
- R(CO)2O>RCONH2>RCOCl
- RCOCl>RCONH2>(RCO)2O
- R(CO)2O>RCOCl>RCONH2
- RCOCl>R(CO)2O>RCONH2
Q.
Which of the following is a free radical substitution?
None of these
Q.
Which of the following is a substitution reaction?
H−H|C=H|C−H+Br2→ C|BrH2−C|BrH−H
R2−H|C−Cl→ R2C:
None of these
Q. Identify A and predict the type of reaction:

Q. List-I contains questions related to the reaction sequence and List-II contains their answers.

Which of the following options has the correct combination considering List-I and List-II?

Which of the following options has the correct combination considering List-I and List-II?
- I→Q ; II→R
- I→P ; II→R
- I→P ; II→S
- I→Q ; II→S
Q. Find the order of reactivity of labelled hydrogen with NaNH2.


- 1>2>3
- 3>2>1
- 3>1>2
- 2>3>1
Q. Arrange the following compounds in the decreasing order of reactivity with HBr:

- a>b>c
- b>a>c
- b>c>a
- a>c>b
Q.
The reaction:
CH3CH2I+KOHaq→CH3CH2OH+KI is classified as :
(a) electrophilic substitution (b) nucleophilic substitution (c) elimination (d) addition
Q. The arrangement of (CH3)3C−, (CH3)2CH−, CH3CH2− when attached to benzene or an unsaturated group in increasing order of inductive effect is
- (CH3)3C−<(CH3)2CH−<CH3CH2−
- CH3CH2−<(CH3)2CH−<(CH3)3C−
- (CH3)3C−<CH3CH2−<(CH3)2CH−
- (CH3)2CH−<(CH3)4C−<CH3CH2−