InterviewSolution
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InterviewSolution
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Assertion (A): When small amount of acid or base is added to pure water, its `pH` undergoes a change. Reason (R) : Addition of an acid or a basic increases the degree of ionisation of water.A. If both (A) and (R) are correc, and (R) is the correct explanation of (A).B. If both (A) and (R) are correct but (R) is not the correct explanation of (A).C. If (A) is correct, but (R) is incorrect.D. If (A) is incorrect, but (R) is correct. |
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Answer» Correct Answer - C `(A)` is correc. `(R)` is wrong. Correct `(R):` Addition of acid or base increases the `[H^(o+)]` or `[overset(Theta)OH]` and thus `pH` changes. |
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