Find the volume ratio of the reactant O2 and NO gases needed respectively to produce nitrogen dioxide gas? 2NO(g)+O2(g)→2NO2(g)
A
2:1
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B
1:2
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C
1:1
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D
2:2
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Solution
The correct option is B1:2 According to Gay Lussac’s law
1 volume of O2 combines with 2 volume of NO to produce 2 volume of NO2.
Hence, the volume ratio of O2 and NO is 1:2.