MCQ
Considering the above reactions, the compound $'A'$ and compound $'B'$ respectively are


- A

- B

- ✓

- D







Whereas in $AgCN; \;Ag - C$ has covalent bond
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$(I)$ ${P_4} + S{O_2}C{l_2} \to $
$(II)$ ${P_4} + SOC{l_2} \to $
$(III)$ $PC{l_5} + S{O_2} \to $
$(IV)$ $PC{l_5} + {C_2}{H_5}OH \to $
