States of Matter (JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry): Questions 1 - 4 of 65

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Question number: 1

» States of Matter » Solid State » Classification of Solids

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MCQ▾

Question

The correct statements for cubic close packed three dimensional structure is/are

Choices

Choice (4) Response

a.

The number of octahedral and tetrahedral voids per atom are 1 and 2, respectively

b.

The unit cell edge length is times the radius of the atom

c.

The efficiency of atom packing is 74%

d.

All a. , b. and c. are correct

Question number: 2

» States of Matter » Classification of Matter

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Appeared in Year: 2007

Assertion-Reason▾

Question

Assertion (Ꭺ)

Glucose gives a reddish-brown precipitate with Fehling’s solution. (IIT JEE)

Reason (Ꭱ)

Reaction of glucose with Fehling’s solution gives and gluconic acid.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question number: 3

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

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MCQ▾

Question

An ideal gas obeying kinetic theory of gases can be liquefy if

Choices

Choice (4) Response

a.

Its pressure is more than critical pressure

b.

Its pressure, is more than at a temperature la than

c.

Its temperature is more than critical temperature

d.

It cannot be liquefied at any value of

Question number: 4

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

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MCQ▾

Question

Calculate the molecular weight of a gas, which diffuses through a porous plug at of the speed of hydrogen under same conditions.

Choices

Choice (4) Response

a.

b.

c.

d.

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