Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Compounds of Carbon and Silicon Single Correct MCQ
Published on: August 13, 2026

Carbon monoxide is prepared by :

A
Heating formic acid with conc. H2SO4
B
Heating potassium ferrocyanide with conc H2SO4
C
Heating malonic acid with P4O10
D
Hydrolysis of Mg2C3

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(a, b)

HCOOH H2O + CO ; K4[Fe(CN)6] + 6H2SO4 + 6H2O 2K2SO4 + FeSO4 + 3(NH4)2SO4 + 6CO

Malonic acid gives C3O2 and Mg2C3 gives 1-propyne.

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