Q. 535.0( 5 Votes )

When a mixture of gases X and Y is compressed to 300 atm. pressure and then passed over a catalyst consisting of a mixture of zinc oxide and chromium oxide (heated to a temperature of 300 �C), then an organic compound Z having the molecular formula CH40 is formed. X is a highly poisonous gas which is formed in appreciable amounts when a fuel burns in a limited supply of air; Y is a gas which can be made by the action of a dilute acid on an active metal; and Z is a liquid organic compound which can react with sodium metal to produce hydrogen gas. (a) What are X, Y and Z?
(b) Write a balanced chemical equation of the reaction which takes place when X and Y combine to form Z. Indicate the conditions under which the reaction occurs.

Answer :

(a) X is Carbon monoxide gas(CO).

Y is Hydrogen Gas(H2).

Z is Methanol(CH3OH).

(b) Formation of Z:-

Conditions required for the reaction to take place:

(i) A pressure of 300 atmosphere

(ii) And a catalyst which is mixture of Zinc oxide and Chromium Oxide. (ZnO + CrO3).

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