States of Matter (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Chemistry): Questions 1 - 5 of 22

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 269 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 1

» States of Matter » Solid State » Packing in Solids (Fcc, Bcc and Hcp Lattices)

Appeared in Year: 2014

MCQ▾

Question

In a cubic close packed structure, fractional contribution of an atom at the corner and at the face in the unit cell are respectively

Choices

Choice (4) Response

a.

18and12

b.

12and14

c.

14and12

d.

14and18

Question number: 2

» States of Matter » Solid State » Imperfection in Solids

Appeared in Year: 2015

MCQ▾

Question

Schottky defect in a crystal arises due to

Choices

Choice (4) Response

a.

Migration of cations to interstitial voids

b.

Migration of anions interstitial voids

c.

Creation of equal number of cation & anion vacancies

d.

Creation of unequal number of cation & anion vacancies

Question number: 3

» States of Matter » Solid State » Bragg's Law and Its Applications

Appeared in Year: 2013

MCQ▾

Question

If the angle of incidence of x-ray of wavelength If the angle of incidence of x-ray of wavelength 3A° which produces a second order diffracted beam from the (100) planes in a simple cubic lattice with interlayer Spacing a=6A° is 30°, the angle of incidence that produces a first order diffracted from the (200) planes is

Choices

Choice (4) Response

a.

60°

b.

30°

c.

15°

d.

45°

Question number: 4

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

MCQ▾

Question

The rate of diffusion of CH4 at a given temperature is twice that of a gas X. The molecular weight of X is -

Choices

Choice (4) Response

a.

4

b.

32

c.

64

d.

8

Question number: 5

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

MCQ▾

Question

A gas ‘A’ having Molecular Weight 4 diffuses thrice as fast as the gas ‘B’. The molecular weight of gas’ B’ is

Choices

Choice (4) Response

a.

36

b.

18

c.

24

d.

12

f Page
Sign In