MEDIUM

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What is the nature of the pressure-volume $[P - V]$ graph in Boyle's law:

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Important Questions on States of Matter: Gaseous and Liquid States

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

The temperature to which the open vessel at

27 ° C

is to be heated to expel

3 / 5

of the air in it is (Assume (i) volume of the vessel remains constant and (ii) ideal behaviour for all gases present in air)

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

10 g

of a gas at

STP

occupies a volume of

2 L

. At what temperature will the volume be doubled, if pressure and amount of the gas remains constant?

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

A certain sample of gas has a volume of

0.2 L

at one atmosphere pressure and

273.15 K

. What is the volume of gas at

273.15 ° C

at same pressure ?

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Choose the correct option for graphical representation of Boyle's law, which shows a graph of pressure vs. volume of a gas at different temperatures:

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Equal masses of

H_{2}, O_{2}

and methane have been taken in a container of volume

V

at temperature

27^{o} C

in identical conditions. The ratio of the volumes of gases

H_{2} : O_{2} :

methane would be

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Slope of the plot between

PV

and

P

at constant temperature is:

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Which of the following graphs represents Charle's law?

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

1 L

each of gases

A

and

B

diffused through a membrane in

15

and

30

minutes, respectively, under identical conditions. What is the ratio of molecular weight of

A

and

B ?

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

A mixture of gases

O_{2}, H_{2}

and

C O

are taken in a closed vessel containing charcoal. The graph that represents the correct behaviour of pressure with time is:

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Which of the following equations does NOT represent Charles’s law for a given mass of gas at constant pressure?

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Which one of the following is the correct

PV

P

plot at constant temperature for an ideal gas ? (

P

and

V

stand for pressure and volume of the gas respectively)

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

At a constant pressure P, the plot of volume (V) as a function of temperature (T) for 2 moles of an ideal gas gives a straight line with a slope

0.328 L . K^{- 1}

. The value of P (in atm) is closest to

[Gas constant,

R = 0.0821 L a t m m o l^{- 1} K^{- 1}

]

HARD

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Which of the following plots correctly represent Boyle's law?
Question Image

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

For the given $pV$ isotherms, which of the following is correct for $T_{1}, T_{2}, T_{3} ?$

Question Image

EASY

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

Three flasks of equal volumes contain

{CH}_{4}, {CO}_{2} & {Cl}_{2}

gases respectively. They will contain equal number of molecules if

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

For the reaction ${SO}_{2 (g)} + \frac{1}{2} O_{2 (g)} ⇌ {SO}_{3 (g)}$ , the percentage yield of product at different pressures is shown in the figure. Then, which among the following is true?

Question Image

MEDIUM

Chemistry>Physical Chemistry>States of Matter: Gaseous and Liquid States>Gas Laws

The figure represents $PV$ vs $P$ relation for $CO, {CH}_{4}, H_{2}$ and $He$ gases under identical conditions. Which curve, shown in the figure, represents $He$ gas?