Which one of the following statements is not true ? | CGP Edu

Chemistry Ionic Equilibrium Common Ion Effect, Isohydric Solutions, Solubility Product, Ionic Product of Water and Salt Hydrolysis Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Which one of the following statements is not true ?

A

The conjugate base of H 2 PO 4 – is HPO 4 2– .

B

pH + pOH = 14 for all aqueous solutions at 25ºC.

C

The pH of 1 × 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.

Text Solution

Verified by Experts

The correct answer is:

We know that for acids at 25ºC, pH must be less than 7.

Previous Question Next Question

Prepare Smarter with CGP Edu

Get practice questions, solutions, and test series in one place.

Write a Review

Share your experience with this question and solution.

Commentary

Send your comment, doubt, correction, or feedback to admin.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

The expression for the solubility product of is

On addition of ammonium chloride to a solution of ammonium hydroxide

The solubility product of a salt having general formula in water is : . The concentration of ion…

In a saturated solution of electrolyte, the ionic product of their concentration are constant at co…

If the solubility product of a sparingly soluble salt at is , the solubility of the salt in mol…

The unit of ionic product of water are

CG

CGP Question Assistant Question Bank + AI Help

Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.

Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.