Compound (A) does not react with Tollens or Grignard reagent, but after treatment with NaNH 2, it gives the above test. The compound (A) is/are:

Question

Compound (A) does not react with Tollens or Grignard reagent, but after treatment with NaNH 2, it gives the above test. The compound (A) is/are: (A) Me - ≡ - Me (B)  (C)  (D) Ph - ≡ - Me

Tardigrade Admin · Accepted Answer

Internal alkyne on reaction with NaNH 2 isomerises to terminal alkyne, which gives all the tests mentioned. Here (a), (c), and (d) are internal alkynes

Q. Compound (A) does not react with Tollens or Grignard reagent, but after treatment with $N a N H_{2}$ , it gives the above test. The compound (A) is/are:

$M e - \equiv - M e$

$P h - \equiv - M e$

Internal alkyne on reaction with $N a N H_{2}$ isomerises to terminal alkyne, which gives all the tests mentioned. Here (a), (c), and (d) are internal alkynes

Q. Compound (A) does not react with Tollens or Grignard reagent, but after treatment with NaNH2​, it gives the above test. The compound (A) is/are:

Me−≡−Me

Ph−≡−Me

Internal alkyne on reaction with NaNH2​ isomerises to terminal alkyne, which gives all the tests mentioned. Here (a), (c), and (d) are internal alkynes

Q. Compound (A) does not react with Tollens or Grignard reagent, but after treatment with $N a N H_{2}$ , it gives the above test. The compound (A) is/are:

$M e - \equiv - M e$

$P h - \equiv - M e$

Internal alkyne on reaction with $N a N H_{2}$ isomerises to terminal alkyne, which gives all the tests mentioned. Here (a), (c), and (d) are internal alkynes