KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Chemistry: Questions 25 - 30 of 269

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Question number: 25

» Classification of Elements & Periodicity » Ionization Enthalpy

Appeared in Year: 2015

MCQ▾

Question

The electronic configuration of an element with the largest difference between the ionization energies is-

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 26

» P-Block Elements Group 13 to 18 » Group 18 » Introduction

Appeared in Year: 2013

MCQ▾

Question

The Number of lone pair (s) on Xe in an are, respectively

Choices

Choice (4) Response

a.

4 and 2

b.

2 and 3

c.

4 and 1

d.

3 and 2

Question number: 27

» Principles of Organic Chemistry » Stereochemistry » Optical Activity

Appeared in Year: 2015

MCQ▾

Question

Which of the following molecules can exhibit optical activity?

Choices

Choice (4) Response

a.

1-bromopropane

b.

2-bromobutane

c.

3-bromopentane

d.

Bromocyclohexane

Question number: 28

» Chemical Bonding » Covalent Bonding » Valence Bond Theory

Appeared in Year: 2014

MCQ▾

Question

Two elements X and Y have atomic numbers 33 and 17 respectively the molecular formula of a stable compound formed between them is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 29

» Equilibrium » Le Chatelier's Principle

Appeared in Year: 2014

MCQ▾

Question

The equilibrium constant of the reaction is and . The reaction will proceed in the backward direction when concentrations [A], [B] and [C] are, respectively

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 30

» Hydrocarbons » Alkenes » Mechanism of Electrophilic Addition

Appeared in Year: 2015

MCQ▾

Question

The major product of the reaction

Finding the product of the reaction given

Finding the Product of the Reaction Given

The product of the reaction given

Choices

Choice (4) Response

a.

Finding the correct choice for the reaction – Choice A

Finding the Correct Choice for the Reaction – Choice A

The product of the reaction

b.

 Finding the correct choice for the reaction – Choice B

Finding the Correct Choice for the Reaction – Choice B

The product of the reaction

c.

 Finding the correct choice for the reaction – Choice C

Finding the Correct Choice for the Reaction – Choice C

The product of the reaction

d.

 Finding the correct choice for the reaction – Choice D

Finding the Correct Choice for the Reaction – Choice D

The product of the reaction

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