In the chemical reaction, CH3CH2NH2 + CHCl3 + 3KOH → (A) + (B) + 3H2O the compounds (A) and (B) are respectively:
(1) C2H5NC and 3KCl
(2) C2H5CN and 3KCl
(3) CH3CH2CONH2 and 3KCl
(4) C2H5NC and K2CO3
The compounds (A) and (B) are respectively C2H5NC and 3KCl