A sample of an ideal gas was heated from 30 ° C to 60 ° C at constant pressure. Which of the following statement(s) is/are true.

Kinetic energy of the gas is doubled

Volume of the gas will be doubled

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One litre of a gaseous mixture of two gases effuses in $311$ seconds while $2$ litres of oxygen takes $20$ minutes. The vapour density of gaseous mixture containing ${CH}_{4}$ and $H_{2}$ is :

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Important Questions on States of Matter: Gases and Liquids

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 9

Pure

O_{2}

diffuses through an aperture in

224

seconds, whereas mixture of

O_{2}

and another gas containing

80 %

O_{2}

diffuses from the same in

234

seconds. The molecular mass of gas will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 10

A straight glass tube as shown, has

2

inlets

X

and

Y

at the two ends of

200 cm

long tube.

HCI

gas through inlet

X

and

{NH}_{3}

gas through inlet

Y

are allowed to enter in the tube at the same time and under the identical conditions. At a point

P

inside the tube both the gases meet first. The distance of point

P

from

X

is :

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 11

A teacher enters a classroom from front door, while a student from back door. There are

13

equidistant rows of benches in the classroom. The teacher releases

N_{2} O

, the laughing gas from the first bench, while the student releases the weeping gas

(C_{6} H_{11} OBr)

from the last bench. At which row will the students starts laughing and weeping simultaneously?

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 12

A certain volume of argon gas (Molecular weight

= 40

) requires

45 s

to effuse through a hole at a certain pressure and temperature. The same volume of another gas of unknown molecular weight requires

60 s

to pass through the same hole under the same conditions of temperature and pressure. The molecular weight of the gas is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 13

A sample of an ideal gas was heated from

30 ° C

60 ° C

at constant pressure. Which of the following statement(s) is/are true.

HARD

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 14

10 ml

of a gaseous hydrocarbon was exploded with excess of

O_{2}

. On cooling, the reaction mixture volume was reduced by

10 ml

, while on adding

KOH

, the volume was reduced by

20 ml

. Molecular formula of hydrocarbon is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 15

A mixture of methane, propane and carbon monoxide contains

36.5 %

propane by volume. If its

200 ml

are burnt in excess of

O_{2}

, the volume of

{CO}_{2}

formed is :

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-2>Q 20

A spherical balloon of

21 cm

diameter is to be filled with hydrogen at NTP from a cylinder containing the gas at

20 atm

and

27 ° C

. If the cylinder can hold

2.82

litres of water at NTP, calculate the number of balloons that can be filled up.

One litre of a gaseous mixture of two gases effuses in 311 seconds while 2 litres of oxygen takes 20 minutes. The vapour density of gaseous mixture containing CH4 and H2 is :

Important Questions on States of Matter: Gases and Liquids

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One litre of a gaseous mixture of two gases effuses in $311$ seconds while $2$ litres of oxygen takes $20$ minutes. The vapour density of gaseous mixture containing ${CH}_{4}$ and $H_{2}$ is :