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Question

The equivalent conductivity of 0.1 M weak acid is 100 times less than that at infinite dilution. The degree of dissociation is :


A
100
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B
10
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C
0.01
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D
0.001
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Solution

The correct option is C 0.01
The degree of dissociation is the ratio of the equivalent conductance at a given concentration to the equivalent conductance at infinite dilution.

α=ΛΛ0=1100=0.01

Hence, option C is correct.

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