Cinnamic acid (`C_6H_5-CH=CH-COOH ` ) can be prepared by (A) `C_6H_5CHO overset(NaCN+HCl) underset(H_3O^+)to` (B) `C_6H_5COCH_3 overset(KMnO_4/H^+) underset(Δ)to` (C) `C_6H_5CHO overset(Ac_2O/AcONaΔ) underset(dil.HCl)to` (D) `C_6H_5CHO overset(CH_3MgBr) underset(H_3O^+)to`

Aniline can be obtained by : (a) C_(6)H_(5)COOHunderset(H^(o+))overset(N_(3)H)(to) (b) C_(6)H_(5)CONH_(2)underset(Delta)overset(Br_(2)//KOH)(to) ( c) C_(6)H_(5)COOHunderset(Delta)overset(NH_(3))(to) (d) C_(6)H_(5)NO_(2)overset(Fe+H_(2)O)(to)

In the given reaction C_6H_5-overset(O)overset(||)C-CH_3overset((i)C_2H_8MgBr)underset((ii)H_2"O"//H^+)rarr(X) X will be

CH_(3)-overset(O)overset(||)(C)-CH_(2)- overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C)-CHO overset(KOH,H_(2)O)underset(Delta)to product (C_(7)H_(10)O) :

A underset(2. Zn, H_2O) overset(1.O_3)to (CH_3)_2 CO + HCHO + underset(CHO)overset(CHO)| Thus A is :

The major products formed in the reaction C_(6)H_(5)CHO+CH_(3)NO_(2) overset(NaOH)underset("Heat")to(X)

Which of the following are intermediates in the reaction of excess of CH_(3) MgBr " with" C_(6)H_(5)COOC_(2)H_(5) to make 2 - phenyl -2- propanol ? A. C_(6)H_(5) - overset("OMgBr") overset(|) underset(CH_(3)) B. C_(6)H_(5) - overset(O) overset(||) - CH_(3) C. C_(6)H_(5) - overset("OMgBr") overset(|) underset(CH_(3)) underset(|) C- CH_(3)

In the following reaction sequence, CH_(3) - underset((X))underset(OH)underset(|)(C)H-CH_(3) overset([O])(to) Y overset(CH_(3)MgBr)underset(H^(+)// H_(2)O)(to) Z Z is