Among the following pair of gases, which of the following mixture of gases does not obey Dalton's law of partial pressures?
A
O2 and CO2
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B
NH3 and HCl
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C
Cl2 and O2
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D
N2 and O2
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Solution
The correct option is BNH3 and HCl Dalton's law of partial pressures is applicable to non reacting gases. Here NH3 and HCl react to form NH4Cl, whereas all others are non reacting gases. NH3+HCl→NH4Cl