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Chemistry

Dalton S Atomic Theory

1 previous year questions.

Volume: 1 Ques
Yield: Medium

High-Yield Trend

1
2025

Chapter Questions
1 MCQs

01
PYQ 2025
medium
chemistry ID: jee-main

At the sea level, the dry air mass percentage composition is given as nitrogen gas : 70.0, oxygen gas : 27.0, and argon gas : 3.0. If the total pressure is 1.15 atm, then calculate the ratio of the following respectively:
(i) Partial pressure of nitrogen gas to partial pressure of oxygen gas
(ii) Partial pressure of oxygen gas to partial pressure of argon gas
(Given: Molar mass of N, O, and Ar are 14, 16, and 40 g mol respectively)

1
4.26, 19.3
2
2.59, 11.85
3
5.46, 17.8
4
2.96, 11.2

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