Assertion $(A)$: $1-$Bromopentane reacts with $AgCN$ to give pentylisocyanide.
Reason $(R)$: $AgCN$ is mainly ionic in nature.
Reason $(R)$: $AgCN$ is mainly ionic in nature.
- A$A$ is true,$R$ is true and $R$ is correct explanation of $A$
- B$A$ is true,$R$ is true but $R$ is not correct explanation of $A$
- C$A$ is true,$R$ is false
- D$A$ is false,$R$ is true
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