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JEE Main levelSingle correct optionDifficulty 2 of 3pb194

Producer gas, made by passing air over red hot coke, is mainly a mixture of

A $CO$ and $H X_{2}$
B $CH X_{4}$ and $H X_{2}$
C $CO X_{2}$ and $H X_{2}$
D $CO$ and $N X_{2}$

Answer: D

Air oxidises coke to CO, and the nitrogen of air passes through unchanged:

2 C + O X_{2} + 4 N X_{2} 2 CO + 4 N X_{2}

. Water gas (steam over coke) is the

CO + H X_{2}

mixture.

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