1.

Compound A reacts with PCI_5 to give B which on treatment with KCN followed by hydrolysis gave propionic acid. What are A & B respectively?

Answer»

`C_2H_5OH, C_2H_5OCl, C_2H_5ONa`
`C_2H_5OH, C_2H_6, C_2H_5`
`C_2H_5Cl, C_2H_6, C_2H_5Cl`
`C_2H_5OH, C_2H_5ONa, C_2H_5Cl`

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