2.5 {ml} 0.4({M}) weak monoacidic base ({k}_{{b}}=1 \\times10^{-12}. at 25^\circ {C}) is titrated with \frac{2}{15}({M}) {HCl} in water at 25^\circ{C}. The concentration of {H}^{+}at equivalence point is ({k}_{{w}}=1 \\times10^{-14}., at 25^\circ{C})

Correct Answer is : 3.2×10−2(M)

WBJEE 2021 Physics and Chemistry Solved Paper

CHEMISTRY

CATEGORY - I (Q41 to Q70)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 53 of 80

Marks: +1, -0

2.5ml0.4(M) weak monoacidic base (kb=1×10−12. at 25°C) is titrated with

(M) HCl in water at 25°C. The concentration of H+at equivalence point is (kw=1×10−14., at 25°C)

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