Equilibrium Question 301

Question: The pH of a soft drink is 3.82. Its hydrogen ion concentration will be [MP PET 1990]

Options:

A) $ 1.96\times {10^{-2}}mol/l $

B) $ 1.96\times {10^{-3}}mol/l $

C) $ 1.5\times {10^{-4}}mol/l $

D) $ 1.96\times {10^{-1}}mol/l $

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Answer:

Correct Answer: C

Solution:

$ pH=3.82 $

$ =-\log ,[{H^{+}}] $

$ \therefore [{H^{+}}]=1.5\times {10^{-4}} $ mole/litre.



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