NEET Chemistry
States of Matter
Question 1.
The two gas cylinders having same capacity have been filled with 54g of H2 and 44g of CO2 respectively. If the pressure in the cylinder of CO2 is 1 atm at a particular temperature, the pressure in the hydrogen cylinder at the same temperature: [Level: Moderate]
(a) 17
(b) 27
(c) PH2= PCo2
(d) 1 atm
Question 2.
Calculate the volume of 0.250 mol of an ideal gas at 750C and 0.821 atm pressure. [Level: Easy]
(a) 8.95L
(b) 98.5L
(c) 89.5L
(d) 10.5L
Question 3.
A density gaseous oxide with 4 bar pressure at 00C is similar to the density of SO2 at 5 bar, the molecular mass of the oxide is – [Level: Moderate]
(a) 44g
(b) 72g
(c) 70g
(d) 32g
Question 4.
Unit of viscosity is [Level: Easy]
(a) dynes cm-2sec
(b) dynes cm-1sec-2
(c) dynes cm-1sec-1
(d) dynes cm2sec-1
Question 5.
At which temperature average velocity of Nitrogen molecule is equal to the rms velocity at 470C? [Level: Difficult]
(a) 97.20C
(b) 403K
(c) 103.70C
(d) 400C
Question 6.
Calculate the temperature at which 32g of O2 will occupy a volume of 10.0 L at 3.16 atm. [Level: Easy]
(a) 273.1k
(b) 384.8K
(c) 348.6K
(d) 1170C
Question 6.
Diffusion rate between methane and ammonia is – [Level: Moderate]
(a) Ammonia < Methane
(b) Ammonia > Methane
(c) Ammonia = Methane
(d) Diffusion will not take place
Question 7.
(a) Boyles Temperature
(c) Critical Temperature
(d) None of these
Question 8.
The density of neon will be highest at [Level: Easy]
(a) STP
(b) 00C, 2atm
(c) 2730C, 1atm
(d) 2730C, 2atm
Question 9.
The pressure and temperature of 5 dm3 of CO2 gas are tripled. Then the volume of CO2 gas would be [Level: Moderate]
(a) 2 dm3
(b) 3 dm3
(c) 4 dm3
(d) 5 dm3
Question 10.
Which of the following graph are correct? [Level: Moderate]
Correct option will be –
(a) (I), (II) & (III) are correct
(b) (II), (III) & (IV) are correct
(c) (I) & (II) are correct
(d) (I)& (IV) are correct
Question 11.
Steam distillation is based on – [Level: Moderate]
(a) Boyle’s law
(b) Charles’s law
(c) Dalton’s law of partial pressure
(d) Avogadro’s law
Question 12.
Unit of van der waal’s constant “a” is – [Level: Easy]
(a) L mol-1
(b) L mol-1 atm
(c) L-2 mol2 atm
(d) L2 mol-2 atm
Question 13.
Compressibility factor for 1 mole of a van der waal’s gas at Boyle’s temperature is – [Level: Difficult]
(a) 1 -
(b)
(c) 1+
Question 14.
Ratio of Most probable velocity, Average velocity and Root mean square velocity is –[Level: Easy]
(a) 1.128:1:1.224 respectively
(b) 1.224:1.128: 1 respectively
(c) 1:1:1.224 respectively
(d) 1:1.128:1.224 respectively
Question 15.
The ratio of rate of diffusion of Hydrogen and Methyl chloride under similar conditions of constant temperature and pressure is: [Level: Moderate]
(a) 25
(b) 5
(c) 5.5
(d) 0.5
Question 16.
Some Quantity of gas A Occupies a volume of 1.2 L when collected over water at 300K and a pressure 0.81 bar. The same Gas A occupied a volume of 0.251 L at STP in dry conditions. Calculate the aqueous tension at 300 K. [Level: Difficult]
(a) 0.45 bar
(b) 0.6 bar
(c) 5.9 bar
(d) 0.159 bar
Question 17.
What will be the pressure of 5 mol of an ideal gas at 314K having volume 11.8 L? [Level: Easy]
(a) 1 atm
(b) 2.12 atm
(c) 9.0 atm
(d) 11 atm
Question 18.
The dimension of pressure are same as that of : [Level: Easy]
(c) Energy per unit volume
(d) force per unit volume
Question 19.
Match the following with the help of following graph [Level: Moderate]
|
Column – I |
|
Column – II |
A |
Substance exist in both liquid and gas state |
P |
At AB Part |
B |
Only liquid state exist |
Q |
At AB Part |
C |
Substance exist in gas state only |
R |
At AB Part |
D |
Real gas Is called super critical fluid |
S |
At AB Part |
|
|
T |
At GF Curve |
(a) AàQ,S ;B àT; CàS; DàR,T
(b) AàQ,S ; BàR; CàP,T, DàT
(c) AàQ, S;àT; CàS; DàT
(d) AàQ,R ;BàT, CàS, DàR,
Question 20.
Find the kinetic energy of 12 mol of gas at 1500C. [Level: Easy]
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