Equilibrium Question 440

Question: In a solution of $ pH=5, $ more acid is added in order to reduce the $ pH=2. $ The increase in hydrogen ion concentration is [MP PET 1989; CPMT 1990]

Options:

A) 100 times

B) 1000 times

C) 3 times

D) 5 times

Show Answer

Answer:

Correct Answer: B

Solution:

$ {{[{H^{+}}]}_{I}}={10^{-5}} $

$ {{[{H^{+}}]}_{II}}={10^{-2}} $ Thus increase in $ [{H^{+}}]=\frac{{10^{-2}}}{{10^{-5}}}=1000 $ times



NCERT Chapter Video Solution

Dual Pane