KVPY Stream-SA (Class 11) Chemistry: Questions 121 - 124 of 133

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Question number: 121

» Chemical Bonding » Molecular Orbital Theory » Hydrogen Bonding

Appeared in Year: 2014

MCQ▾

Question

Among the compounds I-IV, the compound having the lowest boiling point is

Choices

Choice (4) Response
a.
Chains with OH compound – (III)

Chains With OH Compound – (III)

Find the compound which has the lowest boiling point

b.
Chains with OH compound – (I)

Chains With OH Compound – (I)

Find the compound which has the lowest boiling point

c.
Chains with OH compound – (II)

Chains With OH Compound – (II)

Find the compound which has the lowest boiling point

d.
Chains with OH compound – (IV)

Chains With OH Compound – (IV)

Find the compound which has the lowest boiling point

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.

ZnCO3ZnO

b.

ZnSZnO

c.

ZnSZnSO4

d.

ZnOZnSO4

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 300°C is larger than that at 0°C 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.

CH3Cl

b.

CH2Cl2

c.

CHCl3

d.

CCl4

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