Q.

A mixture of 2.3gm formic acid and 4.5gm anhydrous oxalic acid is treated with Conc. H2SO4. The evolved gaseous mixture is passed through KOH pellets. Volume (in lit) of the remaining gaseous product at STP is 

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answer is 2.24.

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Detailed Solution

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CO2 gas is absorbed by KOH pellets, So the remaining gas is CO

 volume of CO gas =220×22.4=2.24lit

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