Assertion(A): | All aldehydes do not take part in aldol condensation. |
Reason(R): | In aldol condensation, carbanion is generated by the abstraction of \(\alpha -H\) atom by base. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | \(\mathrm{A:DiBAL\text-H,}\) \(\mathrm{B:NaOH\text{ (dil)},}\) \(\mathrm{C:Zn\text-Hg/HCl}\) |
2. | \(\mathrm{A:LiAlH_4,}\) \(\mathrm{B:KOH\text{ (alcoholic)},}\) \(\mathrm{C:NH_2\text-NH_2/KOH}\) |
3. | \(\mathrm{A:DiBAL\text-H,}\) \(\mathrm{B:NaOH\text{ (dil)},}\) \(\mathrm{C:NH_2\text-NH_2/KOH}\) |
4. | \(\mathrm{A:NaBH_4,}\) \(\mathrm{B:KOH\text{ (aqueous)},}\) \(\mathrm{C:Zn\text-Hg/HCl}\) |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | 2. | ||
3. | 4. |