Q.
The molar conductance of M20 solution of weak monoacidic base is 2 .0 S cm2 mole-1 and at infinite dilution is 200 S cm2 mole-1. [H+] concentration is
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a
10-2
b
5 × 10-4
c
2 × 10-11
d
2 ×10-10
answer is C.
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Detailed Solution
α=λcλ∞=2200=10-2 H+ =10-14OH-=10-1410-2×120=2×10-11
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