States of Matter-Gaseous State (NEET Chemistry): Questions 28 - 34 of 36

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Question number: 28

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

MCQ▾

Question

A sample of a gas occupies a volume of 512 ml at 20℃ and 74 cm of Hg as pressure. What volume would this gas occupy at STP?

Choices

Choice (4) Response

a.

580 ml

b.

485.3 ml

c.

546 ml

d.

464.5 ml

Question number: 29

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

MCQ▾

Question

Rate of diffusion of a gas is directly proportional to?

Choices

Choice (4) Response

a.

Square of its molecular mass

b.

inversely proportional to the square root of its density

c.

its molecular mass

d.

its density

Question number: 30

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

MCQ▾

Question

Which one of the following does not represent Boyles law?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 31

» States of Matter » Gaseous State » Kinetic Theory of Gases

MCQ▾

Question

At what temperature is the kinetic energy of a gas molecule half of its value at 327℃?

Choices

Choice (4) Response

a.

13.5 ℃

b.

-123 ℃

c.

45℃

d.

27℃

Question number: 32

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

MCQ▾

Question

Calculate the root mean square speed of hydrogen molecule at STP?

Choices

Choice (4) Response

a.

1844.9 ms-1

b.

1722.7 ms-1

c.

156 ms-1

d.

1454.8 ms-1

Question number: 33

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

MCQ▾

Question

The root mean square speed at NTP of the species can be calculated from the expression?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All a. , b. and c. are correct

Question number: 34

» States of Matter » Gaseous State » Kinetic Theory of Gases

MCQ▾

Question

What is average kinetic energy per mole of CO2 gas at 27℃ in ergs (units)?

Choices

Choice (4) Response

a.

3.741×10-10 erg

b.

374×108 erg

c.

374×10-8 erg

d.

3.741×1010 erg

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