Question

Identify the compound X on the basis of the reactions given below.
Also, write the name and chemical formulae ofA, B and C.
+ Zn--> A + H2(g)
X + HCl ----> B + H2O
+ CH3COOH------------> C + H2O

Answer 1

Reaction of bases with metals :
1)2NaOH+ Zn--> Na₂ZnO₂ + H2(g)
                     sodium Zincate


2)NaOH + HCl → NaCl + H2O

3)NaOH + CH3 COOH → CH3 COONa + H2O

So 
A = Na₂ZnO₂
B=NaCl 
C=CH3 COONa

Answer 2

)2NaOH+ Zn--> Na₂ZnO₂ + H2(g)
sodium Zincate


2)NaOH + HCl → NaCl + H2O

3)NaOH + CH3 COOH → CH3 COONa + H2O

So
A = Na₂ZnO₂
B=NaCl
C=CH3 COONa