NEET Chemistry: Questions 338 - 343 of 941

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Question number: 338

» Basic Concepts in Chemistry » Mole Concept

Assertion-Reason▾

Assertion (Ꭺ)

1.231 has three significant figures.

Reason (Ꭱ)

All numbers right to the decimal point are significant.

Choices

Choice (4) Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 339

» P-Block Elements Group 13 to 18 » Group 16 » Structures of Oxoacids of Sulphur

MCQ▾

Question

Which of the following has S-S link in its structure?

Choices

Choice (4) Response

a.

Cholosulphonic acid

b.

Dithionic acid

c.

Caro’s acid

d.

All of the above

Question number: 340

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

MCQ▾

Question

The product of pressure and volume of given amount of a gas is constant at constant temperature, this is?

Choices

Choice (4) Response

a.

Gay-lussac law

b.

Boyle’s law

c.

Charles law

d.

Pressure law

Question number: 341

» Atomic Structure » Electronic Configuration of Elements

MCQ▾

Question

Choose the correct options -

Choices

Choice (4) Response

a.

For other canonical conjugates of motion, the equation for Heisenberg’s uncertainty principle may give which is - x.th2π (for energy and time)

b.

The maximum number of an electron in any energy level is 2n2

c.

The maximum number of electrons placed in a subshell is given by 2 (2ℓ + 1)

d.

Both b. and c. are correct

Question number: 342

» Atomic Structure » Hund's Rule

MCQ▾

Question

The total angular momentum (l) resulting from a d7 configuration is –

Choices

Choice (4) Response

a.

52

b.

2

c.

32

d.

3

Question number: 343

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

Commercial 11.2 volume of hydrogen peroxide solution has molarity of?

Choices

Choice (4) Response

a.

1.12

b.

1.0

c.

11.2

d.

0.5

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