MCQ
Benzoyl chloride is prepared from benzoic acid by
- A$C{l_2},\,\,hv$
- B$S{O_2}C{l_2}$
- ✓$SOC{l_2}$
- D$C{l_2},{H_2}O$

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Compound $\to$ Oxidation state

${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{ - 4}}\xrightarrow{{MnO_4^ - /{H^ + }}}F{e^{ + 3}} + C{O_2} + NO_3^ - $
