Assertion : Alkyl isocyanides in acidified water give alkyl formamides.
Reason : In isocyanides, carbon first act as a nucleophile and then as electrophile.

Answer

A

Explanation

In an isocyanide, first an electrophile and then a nucleophile add at the carbon to form a species which usually undergoes further transformations.
`Roverset(+)(N)-=overset(-)(C)+E^(+)rarrRoverset(+)(N)=CEoverset(Nu)rarrRN-=C(Nu)E`
`Roverset(+)(N)-=C+H_(2)OrarrRN=CHOHrarrunderset("Alkyl formamide")(RNHCHO)`