Q.

Statement I : Benzoic acid (Ka = 6.5×10–5) is stronger acid than acetic acid (Ka = 1.74×10–5).

Statement II : Larger the value of Ka, greater is the acidity.

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a

Statement I  is correct and Statement II is incorrect

b

Both statement - I  and statement - II are False

c

Statement I and II are correct

d

Statement - I is incorrectand Statement II is correct

answer is A.

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Detailed Solution

'Ka' is also known as dissociation constant. Higher the dissociation constant, higher will be the presence of H+ and so greater acidity

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Statement I : Benzoic acid (Ka = 6.5×10–5) is stronger acid than acetic acid (Ka = 1.74×10–5). Statement II : Larger the value of Ka, greater is the acidity.