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Assertion (A): On mixing equal volumes of `1M Hci` and `2 M CH_(3)COONa`, an acidic buffer solution is formed.
Reason (R) : The resultant mixture contains `CH_(3)COOH` and `CH_(3)COONa` which are parts of acidic buffer.
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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Correct Answer - A
`(A)` is true:
`{:(HCI+,CH_(3)COONa rarr,CH_(3)COOH+,NaCI),(1M,2M,1M,):}`
`[CH_(3)COONa]_("left") =2 -1 = 1 M`.
So solution contains `CH_(3)COOH` and `CH_(3)COONa`, and acidic buffer forms (R) is true.

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