MCQ
To prepare $A$ from $B$ the correct sequence of reagents can be


- A$Cl_2\ /\ AlCl_3\ ;\ Mg(THF)\ ;\ O_2\ /\ H^+$
- B$HNO_3\ +\ H_2SO_4\ ;\ Sn\ +\ HCl\ ;\ NaNO_2\ +\ HCl\ ;$ Steam
- C$CH_3-CH=CH_2\ /\ H^+\ ;\ O_2\ /\ hv\ ;\ H^+$
- ✓All of these

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