Identify the compound $A$ and $B$ in following reaction.
- $\mathrm{A}=$ methylisocyanide, $\mathrm{B}=$ Methanoic acid
- $\mathrm{A}=$ Ethanenitrile, $\mathrm{B}=$ Methanoic acid
- $\mathrm{A}=$ Ethanenitrile, $\mathrm{B}=$ Ethanoic acid
- $\mathrm{A}=$ methyl cyanide, $\mathrm{B}=$ methanoic acid
Asked in: MHT CET 2020 (13 Oct Shift 2)