Which of the following statement wrong?
In solid state molecules, atoms or ions are held with a strong force of attraction and are in a fixed position
In liquid state the molecules, atom or ions are held with a strong force and have a restricted motion
In gaseous states, the molecules are randomly arranged and are apart from each other
Solid, liquid and gaseous states have different movement is particles
Correct Answer :
B. In liquid state the molecules, atom or ions are held with a strong force and have a restricted motion
Related Questions
The limiting radii ratio for the tetrahedral geometry is
0.155
0.444
0.732
0.225
Sodium chloride has fee structure. How many and ions are there in the unit cell?.
6 and 6
4 and 4
1 and 1
6 and 4
Lattice energy of a solid is high if
the radii of the ions are large
radii of the ions are small
charge on the ions are small
the ions are neutral
The number of N2 molecules present in 28 nitrogen is
2 x 10
6 x
6 x approximately
5 x approximately
In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be
An example of covalent solid is
diamond
NaCl
Copper
Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be
3:2:2:1
2:1:2:3
1:2:2:3
1:1:1:1
Which of the following is an amorphous solid?
NaCl
Diamond
Glass
Which of the following statement wrong?
In solid state molecules, atoms or ions are held with a strong force of attraction and are in a fixed position
In liquid state the molecules, atom or ions are held with a strong force and have a restricted motion
In gaseous states, the molecules are randomly arranged and are apart from each other
Solid, liquid and gaseous states have different movement is particles
In zinc blende structure, the zinc atoms occupy
all tetrahedral sites
all octahedral sites
half of the octahedral sites
half of the tetrahedral sites
Avogadro stated that under similar conditions of temperature and pressure equal volumes of all gases contain equal number of
atoms
molecules
electrons
ions
The molecular weight of a volatile liquid can be determined by
Dumas' method
Victor Meyer's method
Cryoscopic method
Osmotic pressure
The pressure of the ideal gas is less than the real gas because of the
increase in the number of collisions
volume occupied by the molecules
inter-molecular attraction
finite size of molecules
Cubic close packed arrangement of ions is described as
ABC AB ABC.....
ABC ABC......
AB AB..........
ABC CBA...
An open vessel at 37°C is heated until 3/5 of the air in it has been expelled. Assuming that the volume of the vessel remains constant the temperature to which the vessel is heated is
502°C
502 K
243.67°C
925C
If the temperature and pressure remain unchanged the volume of obtained by the decomposition of a certain volume of will be
Triple the volume of
Half the volume of
Equal to the volume of
One third the volume of
The molecular velocity of any gas is
proportional to absolute temperature
proportional to the square root of absolute temperature
independent of temperature
proportional to die square of absolute temperature
A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will
become half of 740 mm
remain unchanged
become 1/9 of 740 mm
become double of 740 mm
The space occupied by spheres in ccp arrangement is
74.06%
68.05%
60.4%
52.4%
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 ?
The number of molecules in 4.25 gm of ammonia are approximately
Which of the following is an example of covalent network solid?
Sodium
Solid carbon dioxide
Sodium chloride
Silicon
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
In the gas equation PV = xT, x is a constant. The value of the constant depends upon
the quantity of gas
the quality of gas
type values of T and P
None of these
Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of = 44, Mol, wt. of = 64)?
64 gm of sulphur dioxide
4.4 gm of sulphur dioxide
6.4 gm of sulphur dioxide
3.2 gm of sulphur dioxide
The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively
8,14,9
1,2,4
1,4,2
8,4, 2
A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will
be enlarged
be collapse
remain unchanged in size
have half its volume of the gas
What will be the mass of 6.03 x molecules of carbon monoxide ?
18.00
28.01
56.02
14.05
At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volumes of C, and 1 volume of A combines with one volume of B to form 2 volumes of D. Then the formula of C is