`HCHO+C_6H_5CHOoverset(NaOH)rarr` A+B,A is _________.

6HCHO+4NH_(3)overset("Heat")rarr

C_(6)H_(5)CHO+NH_(3)rarr

C_(6)H_(5)CHO+CH_(3)CH_(2)CHOoverset("dil.NaOH")rarr

Identify A-F. C_6H_5COOH overset(SOCl_2) rarr D overset(CH_2N_2) rarr E overset((Ag_2O)//Delta)underset(H_2O) rarr F .

Identify A, B and C in the following. C_6H_5N_2^+Cl^- overset(CuCN) rarr A overset(H_2O //H^+) rarr B overset(NH_3) rarr C

Complete the following 2CH_(3)CHOoverset("Dil NaOH")rarrAunderset(-H_(2)O)overset("heat")rarrB .

Complete the following reactions : (i) C_(2)H_(5)-O-C_(2)H_(5)+HCIoverset("Cold")rarr " " (ii) C_(2)H_(5)-O-C_(2)H_(5)+HIoverset("Excess")rarr (ii) C_(2)H_(5)-O-C_(2)H_(5)+CI_(2)overset("Sunlight")rarr " " (iv) CH_(2)=CHCH_(2)ONa+ICH_(2)CH=CH_(2)overset("Heat")rarr (v) (CH_(3))_(2)C=CH_(2)+C_(2)H_(5)OHoverset(H_(2)SO_(4))rarr (vi)

In the reaction HCOOC_2H_5 overset(CH_3MgI) rarr A overset(H_2 O) rarr B B is.

(a) Write the reagent used in the following : C_(6)H_(5)COCH_(3)overset(?)rarr C_(6)H_(5)CH_(2)CH_(3) (b) Arrange the following compounds in increasing order of reactivity towards nucleophilic addition. CH_(3)CHO, C_(6)H_(5)CHO, HCHO

Identify A, B and C in the following. C_6H_5NO_2 overset(Fe//HCl) rarr A overset(NaNO_2 + HCl)underset(273K) rarr B overset(H_2O //H^+) rarr C