Question

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

• A. 10 seconds : He
• B. 20 seconds : O₂
• C. 25 seconds : CO
• D. 35 seconds : CO₂

Answer 1

Answer: (B)

20 seconds : O₂

Answer 2

∴ (1) is incorrect

(2) is correct

(3) is incorrect

$\sqrt { \frac { 2 } { 44 } } = \sqrt { \frac { 1 } { 12 } }$

(4) is incorrect