NEET Chemistry: Questions 262 - 267 of 1145

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Question number: 262

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

what will be the uncertainty in velocity of a cricket ball if its uncertainty in position is of order of 1Å.

(If mass = 0.15kg)

Choices

Choice (4) Response

a.

2.22 Equation m/s

b.

3.51 Equation m/s

c.

2.22 Equation m/s

d.

3.51 Equation m/s

Question number: 263

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

When blue litmus is dipped into a solution of Hypochlorous acid, it first turns red and then later gets decolorized, why?

Choices

Choice (4) Response

a.

HClO is reducing agent

b.

HClO is an acid

c.

HClO is a base

d.

Both a. and c. are correct

Question number: 264

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

The oxidation number of chlorine in the final product B in the following sequence of reaction is; Equation

Choices

Choice (4) Response

a.

-1

b.

+3

c.

+7

d.

+5

Question number: 265

» Atomic Structure » Spin Quantum Number

MCQ▾

Question

If the set of quantum number of an element is n = 4, l = 0, m = 0 and s=+1/2. Identify that element.

Choices

Choice (4) Response

a.

Scandium

b.

Sodium

c.

Potassium

d.

Titanium

Question number: 266

» P-Block Elements Group 13 to 18 » Group 18 » Structures of Fluorides

MCQ▾

Question

Which of following is planar in shape?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 267

» Atomic Structure » Spin Quantum Number

MCQ▾

Question

Correct set of four quantum numbers for the outermost electron of rubidium (Z = 37) is -

Choices

Choice (4) Response

a.

6, 0, 0, ½

b.

5, 0, 0, 1/2

c.

5, 1, 0, 1/2

d.

5, 1, 1, 1/2

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