Water gas is mixed with half of its volume of hydrogen. The mixture is compressed to approximately 200–300 atmospheres. It is then passed over a catalyst (ZnO + Cr2O3) at 300°C. Methyl alcohol vapours are formed which are condensed.

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Accepted Answer

CO + H2 → ZnO + Cr2O3 → CH3OH. The reaction described is the catalytic synthesis of methanol from carbon monoxide and hydrogen gas using ZnO and Cr2O3 as catalysts at 300°C. The correct balanced reaction is CO + 2H2 → CH3OH.

Water gas is mixed with half of its volume of hydrogen. The mixture is compressed to approximately 200–300 atmospheres. It is then passed over a catalyst (ZnO + Cr2O3) at 300°C. Methyl alcohol vapours are formed which are condensed.

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