Question

4. When water gas mixed with half
its volume of hydrogen and the
mixture is compressed to 300 atm.
pressure and passed over ZnO-
Cr,03 catalyst a colourless liquid
is obtained which is used as
solvent for paints & Varnishes.
The liquid will be .​

Answer 1

The obtained liquid is Methanol

• Methanol is a colorless liquid which is used as solvents for paints and varnishes.
• It is prepared by mixing water gas with half of its volume of hydrogen.
• The obtained mixture is in turn compressed at 300 atm.
• In order to speed up the reaction catalyst $ZnO-CrO_3$ is used in this reaction.
• The chemical equation occurring in the reaction is as follows:

$CO+2H_2+ZnO-CrO_3\rightarrow CH_3OH$

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Answer 2

The obtained liquid is Methanol

Methanol is a colorless liquid which is used as solvents for paints and varnishes.

It is prepared by mixing water gas with half of its volume of hydrogen.

The obtained mixture is in turn compressed at 300 atm.

In order to speed up the reaction catalyst ZnO-CrO_3ZnO−CrO

3

is used in this reaction.

The chemical equation occurring in the reaction is as follows:

CO+2H_2+ZnO-CrO_3\rightarrow CH_3OHCO+2H

2

+ZnO−CrO

3

→CH

3OH