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4.4 g of an unknown gas occupies 2.24 litres of volume at standard temperature and pressure. The gas may be 

(a) SO2

(b) CO

(c) O2

(d) CO2

1 Answer

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Best answer

Correct option is (d) CO2

Molar mass of the gas = \(\frac{4.4 \times 22.4}{2.24}\) = 44 g

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