1.

(A) pH of `10^(-7)` M NaOH solution exists between 7 to 7.3 at `25^(@)C`. (R) Due to common ion effect ionization of water is supressed.A. Both (R) and (A) are true and reason is the correct explanation of assertion.B. Both (R) and (A) are true but reason is not correct explanation of assertionC. Assertion (A) is true but reason (R) is falseD. Assertion (A) is false but reason (R) is true

Answer» Correct Answer - A


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