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Gaseous State: Ideal Gases
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Gas laws and ideal gas equation
JEE Main level
Single correct option
Difficulty 2 of 3
ig183
Which of the following samples contains the largest number of molecules?
A
1
L
of
H
X
2
at
0
∘
C
and
1
atm
B
1
L
of
O
X
2
at
0
∘
C
and
2
atm
C
2
L
of
N
X
2
at
27
3
∘
C
and
1
atm
D
1
L
of
CO
X
2
at
27
3
∘
C
and
1
atm
Answer: B
n
=
P
V
/
RT
, compare
P
V
/
T
: (A)
1/273
; (B)
2/273
; (C)
2/546
=
1/273
; (D)
1/546
. (B) is largest. The identity of the gas does not matter.
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