`underset(NH_(3)(l))overset(2eq.KNH_(2))tounderset("then "H_(3)O^(o+))overset(n-C_(4)H_(9)-Br)to(P),`
end product (P) of the above reaction is:

Ph-overset(O)overset(||)(C)-CH_(3)underset(HCl)overset(NaNO_(2))to(A)underset("heat")overset(AC_(2)O)to(B)overset(H_(3)O^(+))to(C) Product ( C) of the above reaction is :

Ph-overset(O)overset(||)(C)-CH_(3) overset(NaNO_(2))underset(HCl)(to) (A) underset("heat")overset(AC_(2)O)(to) (B)overset(H_(3)O^(+))(to)(C) Product (C) of the above reaction is :

H - C = C- H underset(H_2SO_4) overset(HgSO_4)to (A) underset((2) H_3O^(o+)) overset((1) NH_3 + HCN)to(B) , Product (B) of given reaction is :

underset((ii)H_(3)O^(+))overset((i)CO_(2))to In the above reaction , product P is

CH_(3)-overset(O)overset(||)(C)-O-H overset(NaH overset(14)(CO_(3)))rarr underset("(gas)")((A)) underset((ii) H_(3)O^(o+))overset((i) PhMgBr)rarr (B) CH_(3)-underset(O)underset(||)overset(O)overset(||)(S)-O-H overset(NaHoverset(14)(CO_(3)))rarr underset("gas")((C )) underset((ii) H_(3)O^(o+))overset((i) PhMgBr)rarr (D) Product (B) and (D) in the above reaction are :

CH_3CH=CH_2underset(C Cl_4)overset(Br_2)tounderset(excess)overset(NaNH_2)tooverset(H_2O)to Identify the end product of the above sequence of reactions.