Aldehydes and Ketones - Result Question 43
53. Match each of the compounds given in Column I with the reaction(s) that they can undergo, given in Column II.
| Column I | Column II |
|---|---|
| <img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/0f94ebb9-13aa-48e4-6307-f274c7356e00/public"width="250" | p. Nucleophilic substitution |
| <img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/922af584-7464-404b-0dc8-ccef0c5a1400/public"width="250" | q. Elimination |
| <img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/e591b259-730b-445e-dfd6-1ff07fd70400/public"width="250" | r. Nucleophilic addition |
| <img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/8e7ab440-b462-435f-0ac6-f82209287c00/public"width="250" | s. Esterification with acetic anhydride |
| t. Dehydrogenation |
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Answer:
Correct Answer: 53. $A \rightarrow p, q, t \quad B \rightarrow p, s, t \quad C \rightarrow r, s \quad D \rightarrow p$.
Solution:
| Column I | Column II |
|---|---|
| Undergo nucleophilic substitution of $Br^-$ . Undergo elimination of HBr. Does not undergo nucleophilic addition. Does not esterify with acetic anhydride, can be dehydrogenated | |
| Undergo nucleophilic substitution with $SOCl_2 , PCl_5$ etc. Does not undergo elimination. Does not undergo nucleophilic addition. Undergo esterification with acetic anhydride. Undergo dehydrogenation to give $C_6H_5CHO$. | |
| Does not undergo nucleophilic substitution, there is no leaving group. Does not undergo elimination. Undergo nucleophilic addition at carbonyl carbon of $—CHO$. Undergo esterification with acetic anhydride. Does not undergo dehydrogenation. | |
| Undergo aromatic nucleophilic substitution $(S_NAr)$ Does not undergo elimination, nucleophilic addition, esterification or dehydrogenation. |
BETA
