Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Stuck here, help me understand: X ml of H2 gas effuses through a hole in a container in 5 sec. The time taken for the effusion of the same volume of the gas specified below under identical conditions is :

X ml of H2 gas effuses through a hole in a container in 5 sec. The time taken for the effusion of the same volume of the  gas specified below under identical conditions is :

  • Option 1)

    10 sec He

  • Option 2)

    20 sec O2

  • Option 3)

    25 sec CO2

  • Option 4)

    55 sec CO2

 

Answers (1)

As we learnt in

Graham’s law of diffusion -

\dpi{100} r_{1}/r_{2}=\sqrt{M_{1}/M_{2}}  where r is rate of diffusion of gas , M is molar mass.

-

\frac{r_{1}}{r_{2}}= \frac{t_{2}}{5}= \sqrt{\frac{M_{2}}{2}}, t_{2} = 20 \: \: sec \: and \: M_{2} = 32

 


Option 1)

10 sec He

Incorrect

Option 2)

20 sec O2

Correct

Option 3)

25 sec CO2

Incorrect

Option 4)

55 sec CO2

Incorrect

Posted by

Vakul

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main Result 2024 Live: JEE Mains session 2 results at jeemain.nta.ac.in soon; rank predictor
anam-khan

JEE Main 2024 session 2 final answer key out at jeemain.nta.ac.in; steps to check probable scores
anam-khan

JEE Main Result 2024 Live: Download session 2 final answer key at jeemain.nta.ac.in; rank predictor, cutoff

Latest Question