JEE CHEMISTRY MCQ: AMINES

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Analyzing +4 | -1

Assertion: Alkyl isocyanides in acidified water give alkyl formamides.

Reason: In isocyanides, carbon first acts as a nucleophile and then as an electrophile.

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Correct option: A

If both assertion and reason are true and reason is the correct explanation of assertion

Option A is correct because the assertion that alkyl isocyanides give alkyl formamides in acidified water is true, and the reason that carbon in isocyanides acts as a nucleophile and then as an electrophile correctly explains this reaction mechanism.

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{{\text{C}}_6}{{\text{H}}_5}{\text{N}}{{\text{H}}_2}\xrightarrow{{{\text{NaN}}{{\text{O}}_2} + {\text{HCl}}}}{\text{X}}\xrightarrow{{{\text{CuCN}}}}{\text{Y}}\xrightarrow{{{{\text{H}}^ + }/{{\text{H}}_2}{\text{O}}}}{\text{Z}}

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Reason: Silver nitrite is predominantly covalent compound. Hofmann’s bromamide reaction is to convert Gabriel phthalamide synthesis is used for preparation of :- Elements found in explosive are: