NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 474 - 479 of 1145

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1145 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 474

» 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 10 lit under a pressure of 1 atm. If the temperature of the gas does not change, what will be its volume if the pressure is increased to 2 atm?

Choices

Choice (4) Response

a.

6 litre

b.

6.4 litre

c.

5 litre

d.

4 litre

Question number: 475

» Hydrogen » Physical and Chemical Properties of Heavy Water

MCQ▾

Question

A solution of heavy water containing sodium carbonate when electrolyzed, which of the following gas evolve at cathode?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 476

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

MCQ▾

Question

The density of KCl is 1.9893g/cm3 and the length of a side of unit cell is 6.2908 A° as determined by X-ray diffraction. Calculate the value of Avogadro’s number?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 477

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

MCQ▾

Question

How many elements of symmetry will be possessed by a cubic crystal?

Choices

Choice (4) Response

a.

34

b.

23

c.

16

d.

21

Question number: 478

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

MCQ▾

Question

The packing fraction of the element that crystallizes in simple cubic arrangement is?

Choices

Choice (4) Response

a.

π/6

b.

π/2

c.

π/3

d.

π/4

Question number: 479

» States of Matter » Solid State » Calculations Involving Unit Cell Parameters

MCQ▾

Question

An element ‘A’ has face centered cubic structure with edge length equal to 361 pm. The apparent radius of atom ‘A’ is?

Choices

Choice (4) Response

a.

160.5 pm

b.

180.2 pm

c.

127.6 pm

d.

64 pm

f Page
Sign In