1.

Assertion (A) : A solution containing a mixture of acetic acid and sodium acetate maintains a constant value of pH on addition of small amounts of acid or alkali. Reason (R) : A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution around pH 4.75 .

Answer»

Both A and Rare TRUEAND R is the CORRECT explanation of A.
Both A and Rare truebutR is notthe correct explanation of A.
A is TRUE but R is false.
Both A and R are false.

Answer :A


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