NEET Chemistry
Grahams Law
Low Priority
Consistency: 10%
Weightage: 2 / 20 Yrs
High-Yield Trend
1
2012 1
2011 Questions 2 MCQs
01
PYQ 2011
easy
chemistry ID: neet-201
Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 second respectively. The molecular mass of A is 49 u. Molecular mass of B will be:
1. 12.25 U
2. 6.50 U
3. 25.00 U
4. 50.00 U
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2012
easy
chemistry ID: neet-201
50 mL of each gas A and of gas B takes 200 and 150 s respectively for effusing through a pinhole under the similar conditions. If the molecular mass of gas B is 36, the molecular mass of gas A will be:
1. 96
2. 128
3. 32
4. 64
1
(1)
2
(2)
3
(3)
4
(4)