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Standard XI
Chemistry
Introduction
The molar con...
Question

The molar conductance of a weak acid at infinite dilution is 400 × 10–4 Sm2 mol–1 and the ionization constant (Ka) is 2 × 10–5. If the cell constant is 0.02 m–1, then what is the conductance of 2 × 10–3 M acid solution?

अनन्त तनुता पर एक दुर्बल अम्ल का मोलर चालकत्व 400 × 10–4 Sm2 mol–1 तथा आयनन नियतांक (Ka) 2 × 10–5 है। यदि सेल नियतांक 0.02 m–1 है, तो 2 × 10–3 M अम्ल विलयन का चालकत्व क्या है?

A
5.6 S
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B
3.2 S
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C
1.4 S
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D
0.4 S
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Solution

The correct option is D 0.4 S
Solution

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