Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 4

EASY

11th Odisha Board

IMPORTANT

Earn 100

The atomic weight of Helium, oxygen and sulphur are $4, 16$ and $32$ respectively. Helium and sulphur dioxide in equal volume are contained in a glass vessel. If the gases leak out through a pinhole, what will be the ratio of rate of escape of helium to that of ${SO}_{2}$ ?

Important Questions on States of Matter : Gases and Liquids

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 5

300 CC

of a gas are heated from

27 ° C

to

127 ° C

. What will be the new volume of the gas at constant pressure?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 6

The rates of diffusion of an unknown gas and chlorine are in the ratio of

6 : 5

. Assuming the density of chlorine to be

36

, calculate the molecular weight of the unknown gas?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 7

The volume of a gas sample is $100 mL$ at $100 ° C$ . If the pressure is held constant, what will be the temperature of the gas when the sample occupies a volume of $200 mL$ ?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 8

The relative rates of diffusion of two gases

A & B

are found to be

0.3

and

0.2

respectively. If the density of

' A'

is

4

, find the relative density of gas

B

.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 9

180 mL

of a hydrocarbon diffuse through a porous membrane in

15

minutes while

120 mL

of

{SO}_{2}

under identical condition diffuse in

20

minutes. Calculate molecular weight of hydrocarbon.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 10

What is the root-mean-square velocity of

{CH}_{4}

at

27 ° C

? At what temperature would ethane molecule have the same velocity as that of methane molecule?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 11

A hydrocarbon having the formula

C_{n} H_{2 n + 2}

diffuses twice as fast as

{SO}_{2}

at the same temperature. Calculate the value of

n

.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 6 - States of Matter : Gases and Liquids>QUESTIONS>Q 12

A sample of pure gas at $27 ° C$ and $380 torr$ occupied a volume of $492 {cm}^{3}$ . What was the number of moles of gas in this sample?