Equilibrium Question 541

Question: Which one of the following statements is not true [AIEEE 2003]

Options:

A) The conjugate base of $ H_2PO_4^{-} $ is $ HPO_4^{2-} $

B) $ pH+pOH=14 $ for all aqueous solutions

C) The $ pH $ of $ 1\times {10^{-8}}M,HCl $ is 8

D) 96,500 coulombs of electricity when passed through a $ CuSO_4 $ solution deposits 1 gram equivalent of copper at the cathode

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Answer:

Correct Answer: C

Solution:

Because $ pH=8 $ is basic nature but $ HCl $ is a strong acid.



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