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Question

2CO+O22CO2

2H2+O22H2O

If 250 litres of water gas is burnt in air then the volume of steam formed is:

A
62.5 litres
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B
250 litres
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C
125 litres
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D
375 litres
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Solution

The correct option is A 125 litres
Water-gas A mixture of carbon monoxide (CO) and hydrogen (H2) produced by passing steam over red-hot coke using the endothermic reaction : C+H2OCO+H2.

So, VCO=VH2=2502=125 L

Now, as per the reaction:

VH2=VH2O(g)=125 L.

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