Hydrocarbons
18176
To prepare \(A\) from \(B\) the correct sequence of reagents can be
1 \(Cl_2\ /\ AlCl_3\ ;\ Mg(THF)\ ;\ O_2\ /\ H^+\)
2 \(HNO_3\ +\ H_2SO_4\ ;\ Sn\ +\ HCl\ ;\ NaNO_2\ +\ HCl\ ;\) Steam
3 \(CH_3-CH=CH_2\ /\ H^+\ ;\ O_2\ /\ hv\ ;\ H^+\)
4 All of these