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NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Analyzing +4 | -1
A mixture of formic acid and oxalic acid is heated with conc. H2SO4.\mathrm{H}_2 \mathrm{SO}_4. The gaseous product is passed into KOH\mathrm{KOH} solution where the volume decreased by 1/6th.1 / 6 \text{th}. What was the molecular proportion of the organic acids, formic and oxalic acid in the mixture?
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Correct option: B
4:14: 1
Option B (4:1) is correct because the volume decrease in KOH solution corresponds to CO2, and the remaining gas is CO. The ratio of formic acid to oxalic acid is then determined from the amounts of CO and CO2 produced.

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