KVPY Stream-SA (Class 11) Chemistry: Questions 118 - 122 of 133

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Question number: 118

» Hydrogen » Preparation, Properties and Uses of Hydrogen

Appeared in Year: 2013

MCQ▾

Question

Acetic acid reacts with sodium metal at room temperature to produce

Choices

Choice (4) Response

a.

CO

b.

CO2

c.

H2O

d.

H2

Question number: 119

» P-Block Elements Group 13 to 18 » Group 17 » Hydrochloric Acid

Appeared in Year: 2010

MCQ▾

Question

The gas produced on heating MnO2 with con. HCl is -

Choices

Choice (4) Response

a.

O2

b.

H2

c.

Cl2

d.

O3

Question number: 120

» Chemical Bonding » Molecular Orbital Theory » Sigma and Pi-Bonds

Appeared in Year: 2014

MCQ▾

Question

The number of C-C sigma bonds in the compound

Two benzenes with chain structure

Two Benzenes With Chain Structure

Calculate the number of C-C sigma bonds in the compound

Choices

Choice (4) Response

a.

18

b.

16

c.

11

d.

17

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

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