NEET2018Chemistry-Organic Chemistry

NEET 2018 Chemistry Acid Decomposition MCQ Question

Type: MCQ-numerical-Hard-Class 11

A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H₂SO₄. The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

A

1.4

B

3.0

C

2.8

D

4.4

Correct Answer

Option C

Detailed Explanation

Formic acid decomposes to CO and H₂O, while oxalic acid decomposes to CO, CO₂, and H₂O. KOH absorbs CO₂, leaving CO.

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