KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Chemistry: Questions 122 - 126 of 133

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Question number: 122

» Isolation of Metals » Modes of Occurrence of Elements in Nature, Minerals, Ores

Appeared in Year: 2011

MCQ▾

Question

In the conversion of zinc ore to zinc metal, the process of roasting involves

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 123

» States of Matter » Gaseous State » Concept of Absolute Scale of Temperature

Appeared in Year: 2015

MCQ▾

Question

At constant pressure, the volume of a fixed mass of a gas varies as a function of temperature as shown in the graph

Volume vs. Temperature graph

Volume vs. Temperature Graph

Find the factor by which the volume of the gas at 300° C is larger than that at 0° C

The volume of the gas at is larger than that at by a factor of

Choices

Choice (4) Response

a.

4

b.

1

c.

2

d.

3

Question number: 124

» Chemical Bonding » Covalent Bonding » Dipole Moment

Appeared in Year: 2013

MCQ▾

Question

Which of the following molecules has no dipole moment?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 125

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

Appeared in Year: 2013

MCQ▾

Question

The pair of atoms having the same number of neutrons is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 126

» Organic Compounds With Halogens » Mechanisms of Substitution Reactions

Appeared in Year: 2011

MCQ▾

Question

The major product formed in the reaction is

A reaction of benzene with Br, I and Cl

A Reaction of Benzene With Br, I and Cl

Complete the procedure of reaction of benzene with Br, I and Cl and NaCN, DMSO and Heat.

(I)

Completed reaction of benzene with Br, I and Cl choice -A

Completed Reaction of Benzene With Br, I and Cl Choice -A

Find the right completed reaction of benzene with Br, I and Cl and NaCN, DMSO and Heat

(II)

 Completed reaction of benzene with Br, I and Cchoice-B

Completed Reaction of Benzene With Br, I and Cchoice-B

Find the right completed reaction of benzene with Br, I and Cl and NaCN, DMSO and Heat

(III)

Completed reaction of benzene with Br, I and Cl choice -C

Completed Reaction of Benzene With Br, I and Cl Choice -C

Find the right completed reaction of benzene with Br, I and Cl and NaCN, DMSO and Heat

(IV)

Completed reaction of benzene with Br, I and Cl

Completed Reaction of Benzene With Br, I and Cl

Find the right completed reaction of benzene with Br, I and Cl and NaCN, DMSO and Heat

Choices

Choice (4) Response

a.

I

b.

IV

c.

II

d.

III

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