Assertion :Treatment of chloroethane with a saturated solution of $A g C N$ gives ethyl isocyanide as the major product. Reason: Cyanide $(C N^{-})$ is an ambident nucleophile.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Alkyl halides when react with saturated solution of $A g C N$ isocyanides are formed.

The electronegativity difference between $A g$ and $C$ is so small that $A g - C$ bond is covalent.

The carbon atom is no longer act as a nucleophile so $N$ atom attacks and form isocyanide.

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Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

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