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Compound A reacts with "PCl"(5) to give ...

Compound A reacts with `"PCl"_(5)` to give B which on treatment with KCN followed by hydrolysis gave propionic acid. What is A and B respectively?

A

`C_3H_8 and C_3H_7Cl `

B

`C_2H_6 and C_2H_5Cl `

C

`C_2H_5Cl and C_2H_5Cl `

D

`C_2H_5OH and C_2H_5Cl`

Text Solution

Verified by Experts

The correct Answer is:
D
`underset((A))(C_2H_5OH)+PCl_5 to underset((B))(C_2H_5Cl)+POCl_3+HCl`
`C_2H_5Cl+KCN to C_2H_5CN +KCl`
`C_2H_5CN overset("Hydrolysis")toC_2H_5-COOH`
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