In which of the following reactions benzaldehyde is the final major products (i) Ph-CH_(3)+CrO_(3)+(CH_(3)CO)_(2) O overset(273-283K)to overset(H_(3)O^(+))underset(Delta)to (ii) Ph-CH_(3)-overset(Cl_2)underset(hv)to Ph-CHCl_(2) overset(H_(2)O)underset(100^(@)C)to (iii) C_(6)H_(6) overset(CO+HCl)underset(AlCl_(3))to (iv) Ph-COCl+(CH_(3))_(2)Cd to

In which of the following reactions benzaldehyde is the final major pr

1.	In which of the following reactions benzaldehyde is the final major products (i) Ph-CH_(3)+CrO_(3)+(CH_(3)CO)_(2) O overset(273-283K)to overset(H_(3)O^(+))underset(Delta)to (ii) Ph-CH_(3)-overset(Cl_2)underset(hv)to Ph-CHCl_(2) overset(H_(2)O)underset(100^(@)C)to (iii) C_(6)H_(6) overset(CO+HCl)underset(AlCl_(3))to (iv) Ph-COCl+(CH_(3))_(2)Cd to
Answer» I and ii only ii and iii only iii and iv only I,ii and iii only Solution :(i) `Ph-CH_(3)+CrO_(3)+(CH_(3)CO)_(2)O OVERSET(273-283K)toPh-CH(OCOCH_(3))_(2) overset(H_(3)O^(+))underset(DELTA)toPh-CHO` (ii) `Ph-CH_(3) overset(Cl_(2))underset(HV)toPh-CHCl_(2) overset(H_(2)O)underset(100^(@)C)toPh-CHO` `(iii) C_(6)H_(6) overset(CO+HCl)underset(AlCl_(3))toPH-CHO` `(iv) Ph-COCl+(CH_(3))_(2)CD to Ph-CO-CH_(3)`