A) 4
B) 5
C) 6
D) 7
Correct Answer: A
Solution :
\[pH=p{{K}_{a}}+\text{log}\frac{\text{ }\!\![\!\!\text{ Salt }\!\!]\!\!\text{ }}{\text{ }\!\![\!\!\text{ Acid }\!\!]\!\!\text{ }}\]\[=-\log 2\times {{10}^{-5}}+\log \frac{10\times 1}{50\times 2}=4\].You need to login to perform this action.
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