What is the product formed when a primary amine reacts with an acid anhydride?

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

Select the compound which on treatment with nitrous acid liberates nitrogen.

When $R-CO-NH_2$ is treated with $Br_2$ and $KOH$,it gives $R-NH_2$ as the major product. Which intermediate is involved in this reaction?

In the reaction of hypobromite with amide,the carbonyl carbon is lost as :

What is the end product of the following reaction sequence?
$CH_3CH_2NH_2$ $\xrightarrow[H^+]{KMnO_4}$ $\xrightarrow{SOCl_2}$ $\xrightarrow[\Delta]{NH_3}$ $\xrightarrow{NaOH/Br_2} ?$