NEET Chemistry
Mechanism Of Reactions
Low Priority
Consistency: 30%
Weightage: 6 / 20 Yrs
High-Yield Trend
1
2025 1
2024 1
2016 1
2012 1
2010 1
2007 Questions 6 MCQs
01
PYQ 2007
easy
chemistry ID: neet-200
For the following:
(i) I-
(ii) Cl-
(iii) Br-
The increasing order of nucleophilicity would be:
1. I-
2. Cl-
3. I-
4. Br-
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2010
easy
chemistry ID: neet-201
Which of the following reactions cannot form new carbon-carbon bonds?
1. Reimer-Tiemann reaction
2. Cannizaro reaction
3. Wurtz reaction
4. Friedel-Crafts acylation
1
(1)
2
(2)
3
(3)
4
(4)
03
PYQ 2012
easy
chemistry ID: neet-201
The end product (C) in the below-mentioned reaction is:
1. Acetone
2. Methane
3. Acetaldehyde
4. Ethyl alcohol
1
(1)
2
(2)
3
(3)
4
(4)
04
PYQ 2016
easy
chemistry ID: neet-201
Consider the reaction,
This reaction will be the fastest in:
1. Ethanol
2. Methanol
3. N, N'-dimethylformamide (DMF)
4. Water
1
(1)
2
(2)
3
(3)
4
(4)
05
PYQ 2024
easy
chemistry ID: neet-202
The compound that will undergo reaction with the fastest rate is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
1
(1)
2
(2)
3
(3)
4
(4)
06
PYQ 2025
easy
chemistry ID: neet-202
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): |  undergoes reaction faster thanย  |
| Reason (R): | Iodine is a better leaving group because of its larger size. |
In the light of the above statements, choose the correct answer from the options given below :
| 1. | (A) is True but (R)ย is False |
| 2. | (A)ย is False but (R)ย is True |
| 3. | Both (A)ย and (R) are True and (R)ย is the correct explanation ofย (A) |
| 4. | Both (A)ย and (R)ย are True but (R) is not the correct explanation ofย (A) |
1
(1)
2
(2)
3
(3)
4
(4)