Question

3 atoms of carbon combine with 4 molecules of hydrogen to produce methane . Find the limiting reagent​

Answer 1

Explanation:

no.of atoms=no.of molecules×atomicity of CH4

= 4×5 =20 atoms of H

in CH4, 1 carbon atom reacts with 4 hydrogen atoms to form 1 CH4 molecule.

so, 3 C atoms require 12 H atoms.

since the hydrogen atoms are in excess, "carbon is the limiting reagent", while hydrogen is excess reagent.

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