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NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

1 Medium

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Analyzing +4 | -1

One litre

{\mathrm{N}_2},\frac{7}{8}\mathrm{litre}\;{\mathrm{O}_2}

and 1 litre

CO

are taken in a mixture under indentical conditions of P and T. The amount of gases present in mixture is given by:

View answer and explanation

Correct option: C

{w_{{\mathrm{N}_2}}} = {w_{{\mathrm{O}_2}}} = {w_{\mathrm{CO}}}

Option A (

{w_{{\mathrm{N}_2}}} = {w_{\mathrm{CO}}} > {w_{{\mathrm{O}_2}}}

) is correct because under identical conditions of P and T, equal volumes contain equal moles. The molar masses are CO (28 g/mol), N2 (28 g/mol), and O2 (32 g/mol). Since the volume of O2 is 7/8 of the others, its mass will be lower.

NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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