Question

(i) In the given series of reactions, name the compounds X and Z. 

(ii) Which type of reaction is X to Z? 

(iii) You are given 3 unknown solutions A, B, and C with pH values of 6, 8 and 9.5 respectively. In which solution will the maximum number of hydronium ions be present? Arrange the given samples in the increasing order of H+ ion concentration. 

Answer 1

(i) X = NaHCO₃; Z = Na₂CO₃ 

(ii) Decomposition reaction 

(iii) Solution A 

Increasing order or H+ ions C<B<A