1.

Give chemical reaction for the preparation of water gas and producer gas.

Answer»

Solution :It is prepared by the passage of steam over hot coke. The mixture of CO and `H_2` thus produced is known as water gas or synthesis gas.
`C_((s)) + H_2O_((g)) OVERSET"473 K - 1273 K"to ubrace(CO+H_2)_("Water gas")`
When air is USED instead of steam, a mixture of CO and `N_2` is produced, which is called PRODUCER gas.
`2C_((s)) + O_(2(g)) + 4N_(2(g)) overset"1273 K"to ubrace(2CO_((g)) + 4N_(2(g)))_("Producer gas")`


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