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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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40ml40 \mathrm{ml} of 0.8 N0.8 \mathrm{~N} oxalic acid dihydrate is shaken with 0.75 g0.75 \mathrm{~g} active charcoal. The final concentration of the solution after adsorption is 0.2 N0.2 \mathrm{~N}. What is the amount of oxalic acid adsorbed per gm of carbon?
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Correct option: D
2.02 g2.02 \mathrm{~g}
Option D (2.02 g2.02 \mathrm{~g}) is correct because it is the amount of oxalic acid adsorbed per gram of carbon, calculated from the change in concentration.

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