Equilibrium Question 496

Question: Given a 0.1M solution of each of the following. Which solution has the lowest pH [MNR 1987]

Options:

A) NaHSO4

B) NH4Cl

C) HCl

D) NH3

Show Answer

Answer:

Correct Answer: C

Solution:

Because it is a strong acid. H+=101

pH=log[H+]

=log[101] ; pH=1 .



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