- 1(current)
Q. No.| Assertion (A): |  undergoes \(S_N2\) reaction faster than  |
| 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) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 1. | Propan-1-ol | 2. | Propan-2-ol |
| 3. | Propane | 4. | Propyne |
Consider the reaction,
This reaction will be the fastest in:
1. Ethanol
2. Methanol
3. N, N'-dimethylformamide (DMF)
4. Water
The end product (C) in the below-mentioned reaction is:
\(H_3C-Br\xrightarrow{\bf KCN }A\xrightarrow{ \bf H_3O^+~~}B\xrightarrow[\bf\text{Ether}]{~~LiAlH_4~~}C\)
1. Acetone
2. Methane
3. Acetaldehyde
4. Ethyl alcohol
Which of the following compounds undergoes nucleophilic substitution reaction most easily?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Consider the reactions:
| (i) | \(\small{{(CH_3)}_2CHCH_2Br\ \xrightarrow[]{C_2H_5OH}{(CH_3)}_2CHCH_2OC_2H_5 + HBr}\) |
| (ii) | \(\small{{(CH_3)}_2CHCH_2Br\ \xrightarrow[]{C_2H_5O^-}{(CH_3)}_2CHCH_2OC_2H_5 + Br^-}\) |
The mechanisms of reactions (i) and (ii) are, respectively:
1. SN2 and SN1
2. SN1 and SN2
3. SN1 and SN1
4. SN2 and SN2
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
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
1. Ethyl chloride
2. Isopropyl chloride
3. Benzyl chloride
4. Chlorobenzene
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.