Equilibrium Question 746

Question: 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:

Options:

A) HW

B) HX

C) HY

D) HZ

Show Answer

Answer:

Correct Answer: A

Solution:

The salt hydrolysis in each case occurs except NaW because its pH=7. Thus HW is strongest acid.



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