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What is the pressure requirement in the manufacture of methanol from synthesis gas?

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What is the pressure requirement in the manufacture of methanol from synthesis gas?

(a) 1-3 atm

(b) 100-150 atm

(c) 10atm

(d) 200-350atm

I had been asked this question during an interview.

Question is from Synthetic Organic Chemical Industries topic in division Synthetic Organic Chemical Industries of Chemical Technology

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The correct option is (d) 200-350atm

The best I can explain: High pressure is required for the manufacture of methanol. Conversion cannot take place at low pressure as it leads to formation of intermediate compounds.

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