The weight of 22.4 litres of any gas at N.T.P. represent its
gm atomic weight
gm molecular weight
gm equivalent weight
None of these
Correct Answer :
B. gm molecular weight
Related Questions
What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?
760 torr
380 torr
197 torr
None of these
1.The correct relationship representing the volume occupied by 44 gm of and 64 gm of at constant temperahire and pressure:
V() > V()
V() = V()
V() > V()
cannot be predicted
At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?
One mole of gas is defined as
The number of molecules in 22.4 litres of gas at S.T.P
The number of molecules contained | in 6 grams of 12 C isotope
The number of molecules in one formula weight of gas
The number of molecules in litre of gas
The vapour density of ozone would be
72
8
48
24
How many moles of water are present in 180 gm. of water ?
11
5
90
21
The vol. of 20 gm. of hydrogen at N.T.P. is
22.4 litres
112 litres
12 litres
224 litres
20 litres of hydrogen gas weighs about
1.8 g
3.6 g
224 g
12.2 g
22.4 litre of any gas at N.T.P. will contain
One gram equivalent
One gram atomic weight
One gram atom
One gram molecule
In a dose packed arrangement of N spheres, the number of tetrahedral holes are
N
2N
N/2
In the wurtzite structure sulphur atoms have
cubic arrangement
hexagonal dose packed arrangement
body centred arrangement
None of these
The Van der Waal's equation explains the behaviour of
ideal gases
real gases
vapours
non-real gases
The number of N2 molecules present in 28 nitrogen is
2 x 10
6 x
6 x approximately
5 x approximately
The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is
224 litres
2.24 litres
11.12 litres
1.12 litres
Kinetic theory of gases postulates :
The molecules in a gas are in stationary state
The molecules in a gas exert appreciable attraction on each other
The molecules move in a random motion with widely different velocities
The molecules in a gas collide against each other as well as the wall of the container, but do not change their direction of motion
Cubic close packed arrangement of ions is described as
ABC AB ABC.....
ABC ABC......
AB AB..........
ABC CBA...
The coordination number of each sphere in hcp arrangement is
12
8
6
4
In a closed packed structure the pattern ABAB...... represents which one of the following:
ccp
hcp
fccp
bcc
Kinetic gas equation is, PV =...
nRT
RT
Match box has the symmetry of which of the following systems?
Cubic
Orthorhombic
Tetragonal
Monoclinic
Which of the following would you expect to affect the vapour pressure of a liquid?
Inter-molecular forces in the liquid
Volume of the liquid in the liquid-vapour equilibrium
Volume of the vapour in the liquid-vapour equilibrium
The size of the container in which liquid-vapour equilibrium is establishe
Correct gas equation is
What will be the mass of 6.03 x molecules of carbon monoxide ?
18.00
28.01
56.02
14.05
The number of molecules of present in 44 gms. of is
6 x approx
approx
3 x approx
12 x approx
In a close packed arrangement of N spheres, the number of octahedral holes are
N
2N
4N
8N
Vapour density of a gas is 35.5. The volume occupied by 3.55 gm of the gas at NTPis
1.12 litres
2.24 litres
22.4 litres
11.2 litres
If all the octahedral sites in a cubic close packed arrangement () are completelyfilled with cations, the empirical formula of the compound could then be
AB
None of these
A gas or vapour may be liquefied only at a temperature at or
below the critical temperature
above the critical temperature
above the normal boiling point
at any temperature
The number of molecules in 32 gms of oxygen in
6.02 x
3.2 x
6.02 x
32 x
The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively
1,1
2,2
2,1
2,6