Equilibrium Question 276

Question: The $ pH $ of 0.1 M solution of a weak monoprotic acid 1% ionized is [UPSEAT 2001; Pb. PMT 2001]

Options:

A) 1

B) 2

C) 3

D) 4

Show Answer

Answer:

Correct Answer: C

Solution:

$ C=0.1M;\alpha =1%;({H^{+}})=C\times \alpha $

$ =0.1\times \frac{1}{100}={10^{-3}} $ ; $ ({H^{+}})={10^{-3}} $ ; pH = 3.



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