States of Matter (NEET Chemistry): Questions 22 - 29 of 103

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Question number: 22

» States of Matter » Gaseous State » Concept of Average, Root Mean Square and Most Probable Velocities

MCQ▾

Question

At what temperature is the root mean square speed of N2 gas equal to that of propane (C3H8) gas at STP?

Choices

Choice (4) Response

a.

173.7K

b.

273 K

c.

173.7℃

d.

-40 ℃

Question number: 23

» States of Matter » Liquid State » Vapor Pressure

MCQ▾

Question

Which of the following liquid possess low vapour pressure?

Choices

Choice (4) Response

a.

Glycol

b.

Ethyl alcohol

c.

water

d.

Diethyl ether

Question number: 24

» States of Matter » Gaseous State » Concept of Average, Root Mean Square and Most Probable Velocities

MCQ▾

Question

Oxygen at 1 atmosphere and 0℃ has a density of 1.4290 g L-1. Find the rms speed of oxygen molecule?

Choices

Choice (4) Response

a.

34.52 ms1

b.

345.2 ms1

c.

46.11 ms1

d.

461.15 ms1

Question number: 25

» States of Matter » Gaseous State » Van Der Waals Equation

MCQ▾

Question

The units of “a” in Vander Waal’s equation is?

Choices

Choice (4) Response

a.

atom litre2mol-1

b.

atom litre 2 mol-2

c.

atom litre mol-2

d.

atom litre mol-1

Question number: 26

» States of Matter » Liquid State » Vapor Pressure

MCQ▾

Question

Which of the following property of liquid is associated with Calusius –Clapeyron equation?

Choices

Choice (4) Response

a.

Vapour pressure

b.

Viscocity

c.

Surface tension

d.

Density

Question number: 27

» States of Matter » Liquid State » Surface Tension

MCQ▾

Question

The units of surface tension of a liquid is?

Choices

Choice (4) Response

a.

dyne. cm-2

b.

dyne. cm

c.

dyne. cm-1

d.

dyne. cm2

Question number: 28

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

The density of the gas is equal to?

Choices

Choice (4) Response

a.

nP

b.

PM/RT

c.

M/V

d.

P/RT

Question number: 29

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

A sample of gas occupies 600 ml at 27℃ and 1 atm. What will be the volume at 127℃ if the pressure is kept constant?

Choices

Choice (4) Response

a.

800 ml

b.

900 ml

c.

600 ml

d.

700 ml

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