Question

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

Answer 1

The correct option : (c) 2.8

Explanation

H2O absorbed by H2SO4. Gaseous mixture (containing CO and CO2) when passed through KOH pellets, CO2 gets absorbed.