KVPY Stream-SA (Class 11) Chemistry: Questions 69 - 73 of 133

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Question number: 69

» Hydrocarbons » Aromatic Hydrocarbons » Friedel - Craft's Alkylation and Acylation

Appeared in Year: 2011

MCQ▾

Question

In the following set of aromatic compounds

(I)

Aromatic compound: Choice A

Aromatic Compound: Choice A

Showing Aromatic compound with one benzene ring

(II)

 Aromatic compound: Choice B

Aromatic Compound: Choice B

Showing Aromatic compound with one benzene ring

(III)

 Aromatic compound: Choice C

Aromatic Compound: Choice C

Showing Aromatic compound with one benzene ring

(IV)

Aromatic compound: Choice D

Aromatic Compound: Choice D

Showing Aromatic compound with one benzene ring

The correct order of reactivity toward Friedel-Crafts alkylation is

Choices

Choice (4) Response

a.

ii > iv > iii > i

b.

iv > ii > iii > i

c.

iii > i > iv > ii

d.

i > ii > iii > iv

Question number: 70

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

Appeared in Year: 2009

MCQ▾

Question

Sodium oxide dissolves in water to give sodium hydroxide which indicates its

Choices

Choice (4) Response

a.

Acidic character

b.

Amphoteric character

c.

Basic character

d.

Ionic character

Question number: 71

» Chemical Bonding » Molecular Orbital Theory » Hydrogen Bonding

Appeared in Year: 2012

MCQ▾

Question

The molecule which do not exhibit strong hydrogen bonding is:

Choices

Choice (4) Response

a.

Methyl amine

b.

Diethyl ether

c.

Acetic acid

d.

glucose

Question number: 72

» Basic Concepts in Chemistry » Mole Concept

Appeared in Year: 2014

MCQ▾

Question

What is the equivalent weight of ClO3 in the following reaction?

ClO3+Fe2++H+CF+Fe3++H2O

Choices

Choice (4) Response

a.

43.9167

b.

33.9167

c.

23.9167

d.

13.9167

Question number: 73

» Equilibrium » Ionic Equilibrium » Acid - Base Equilibria

Appeared in Year: 2012

MCQ▾

Question

Among the following substituted pyridines, the most basic compound is:

Choices

Choice (4) Response

a.

Figure shows examples of substituted pyridines: Choice A

Figure Shows Examples of Substituted Pyridines: Choice A

Figure shows examples of substituted pyridines identify the most basic compound

b.

Figure shows examples of substituted pyridines: Choice B

Figure Shows Examples of Substituted Pyridines: Choice B

Figure shows examples of substituted pyridines identify the most basic compound

c.

Figure shows examples of substituted pyridines: Choice C

Figure Shows Examples of Substituted Pyridines: Choice C

Figure shows examples of substituted pyridines identify the most basic compound

d.

Figure shows examples of substituted pyridines: Choice D

Figure Shows Examples of Substituted Pyridines: Choice D

Figure shows examples of substituted pyridines identify the most basic compound

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