First slide

Hydrogen

Question

In context with industrial preparation of hydrogen from water gas (CO + H₂ ), which of the following is the correct statement?

Easy

A

CO is removed by absorption in Cu₂Cl₂ solution.
B

H₂ is removed through occlusion with pd.
C

CO is oxidised to CO₂ with steam in the presence of catalyst followed by absorption in alkali.
D

CO and H₂ are fractionally separated using differences in their densities.

Solution

$CO + H_{2} O \to_{Δ}^{Cat .} {CO}_{2} + H_{2}$
${CO}_{2} + 2 KOH \overset{}{\to} K_{2} {CO}_{3} + H_{2} O$

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