JEE Main & Advanced
Chemistry
Equilibrium / साम्यावस्था
Question Bank
Mock Test - Ionic Equilibrium
question_answer
From separate solutions of sodium salts, NaW, NaX, NaY and NaZ have pH7.0,9.010.0 and ll.O respectively. When each solution was 0.1 M, the strongest acid is:
A)HW
B)HX
C)HY
D)HZ
Correct Answer:
A
Solution :
[a] The salt hydrolysis in each case occurs except NaW because its pH=7. Thus HW is strongest acid.