States of Matter (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Chemistry): Questions 1 - 4 of 22

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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.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation which produces a second order diffracted beam from the (100) planes in a simple cubic lattice with interlayer Spacing Equation is Equation the angle of incidence that produces a first order diffracted from the (200) planes is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation 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

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