Chemistry · 2014
JEE Main · 9 April 2014, Shift 1 · Q39
The temperature at which oxygen molecules have the same root mean square speed as helium atoms have at 300 K is: (Atomic masses: He =4 u, O =16 u )
The temperature at which oxygen molecules have the same root mean square speed as helium atoms have at $\displaystyle 300$ K is : (Atomic masses : $\displaystyle \mathrm{He}=4 \mathrm{u}, \mathrm{O}=16 \mathrm{u}$ )
Official answer
(4)
$\displaystyle 2400$ K
More from States of Matter
- At constant temperature, a gas is at a pressure of 940.3 mm Hg. The pressure at which its volume decreases by 40\% is ____ mm Hg. (Nearest integer)2023
- Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is 0.46 gL^-1 at 257°C and 100 mm Hg. The molar mass of…2022
- Arrange the following gases in increasing order of van der Waals constant 'a' A. Ar B. CH_4 C. H_2 O D. C_6 H_6 Choose the correct option from the…2023
- A 10 g mixture of hydrogen and helium is contained in a vessel of capacity 0.0125 m^3 at 6 bar and 27^° C. The mass of helium in the mixture is \ \ \…2022
- 5 moles of gas A and x moles of gas B exert a pressure of 200 Pa in a container of volume 10 m^3 at 1000 K. Given R is the gas constant in JK^-1…2019
- Assuming ideal gas behaviour, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is: (Atomic wt. of…2018
- At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen (N_2) at 4 bar. The molar mass of gaseous molecule is:2017
- At 300 K, a sample of 3.0 g of gas A occupies the same volume as 0.2 g of hydrogen at 200 K at the same pressure. The molar mass of gas A is \ \ \ \…2022
JEE Main 2014 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.