Haloalkanes & Haloarenes Test

Result

Haloalkanes & Haloarenes Test - 8

Score
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Weekly Quiz Competition

Question 1
4 / -1

Four compounds, toluene (I), o -dichlorobenzene (II), m -dichlorobenzene (III) and p - dichlorobenzene (IV) are arranged in order of increasing dipole moment. The correct order is

A
IV < I < III < II

B
I < II < III < IV

C
II < IV < III < I

D
IV < III < II < I

Solution
Question 2
4 / -1

In the chemical reactions, the compounds `A ' and 'B ' respectively are

A
nitrobenzene and fluorobenzene

B
phenol and benzene

C
benzene diazonium chloride and fluorobenzene

D
nitrobenzene and chlorobenzene

Solution
Question 3
4 / -1

In the preparation of chlorobenzene from aniline, the most suitable reagent is

A
chlorine in the presence of ultraviolet light

B
chlorine in the presence of AlCl₃

C
nitrous acid followed by heating with Cu₂Cl₂

D
HCl and Cu₂Cl₂

Solution
Question 4
4 / -1

Among the following which one has weakest carbon-halogen bond?

A
Benzyl bromide

B
Bromobenzene

C
Vinyl bromide

D
Benzyl chloride
Question 5
4 / -1

Which one of the following chlorohydrocarbons readily undergoes solvolysis ?

A

B

C

D

Solution
Question 6
4 / -1

The reaction of toluene with Cl₂ in presence of FeCl₃ gives predominantly

A
benzoyl chloride

B
benzyl chloride

C
o and p -chlorotoluene

D
m -chlorotoluene

Solution
Question 7
4 / -1

Decomposition of benzene diazonium chloride by using Cu₂Cl₂/HCl to form chlorobenzene is

A
Raschig reaction

B
Sandmeyer's reaction

C
Kolbe's reaction

D
Cannizzaro's reaction

Solution
Question 8
4 / -1

The compound formed on heating chlorobenzene with chloral in the presence of concentrated sulphuric acid is

A
gammexane

B
DDT

C
freon

D
hexachloroethane

Solution
Question 9
4 / -1

A

B
( CH₃ )₂CHCl

C

D
Question 10
4 / -1

Fluorobenzene (C₆H₅F) can be synthesised in the laboratory

A
by heating phenol with HF and KF

B
from aniline by diazotisation followed by heating the diazonium salt with HBF₄

C
by direct fluorination of benzene with F₂ gas

D
by reacting bromobenzene with NaF solution

Solution