Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 76

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Weekly Quiz Competition

Question 1
1 / -0

Which compound will not exhibit optical activity?

A

B

C

D
Question 2
1 / -0

Which hydrocarbon (molecular mass = 72) would yield three different monochloro derivatives?

A
n-Pentane

B
Iso-pentane

C
n-Hexane

D
Iso-hexane

Solution
Question 3
1 / -0

Which one of the following will form cyclohexane on reaction with two molecules of Na in ether.

A
$$ CH_3CH_2-Br $$

B

C
$$ Br-CH_2-CH_2-CH_2-CH_2-CH_2-CH_2-Cl $$

D

Solution
Question 4
1 / -0

The number of stereoisomers possible for a compound of the molecular formula $$ \mathrm { CH } _ { 3 } - \mathrm { CH } = \mathrm { CH } - \mathrm { CH } ( \mathrm { OH } ) \mathrm { Me } $$ is

A
4

B
6

C
3

D
2

Solution
Question 5
1 / -0

Choose the correct statement about the following

A
Both are chiral and $$(I)$$ is $$'R'$$ and $$(II)$$ is $$'S'$$

B
Both have chirality of plane and configuration at $$(I)$$ is $$'R'$$ and $$(II)$$nd is $$'S'$$

C
Both are achiral and possess plane of symmetry

D
$$I$$ has higher $$pKa$$ value for 1st deprotonation than $$II$$
Question 6
1 / -0

What happens when chlorobenzene is treated with $$KOH$$?

A
Phenol

B
$$KCl$$

C
$$Both\ A\ and\ B$$

D
$$No\ reaction\ takes\ place$$

Solution
Question 7
1 / -0

$$ (CH_3)_2C=CH_3 \quad \underset { \overrightarrow { P{ h }_{ 2 }{ O }_{ 2 } } }{ HBr } \quad A\quad \underset { \overrightarrow { Drey\quad Ether } }{ Na } \quad B,\quad \\ $$
$$B$$ is:-

A
$$(CH_3)_2CH_2Br$$

B
$$(CH_3)_3CBr$$

C
$$(CH_3)_3C-C(CH_3)_3$$

D
$$(CH_3)_2(CH_2)_2(CH_3)_2$$
Question 8
1 / -0

How will you prepare iodoethane from bromoethane:

A
$$AgI$$

B
$$AgI/ $$acetone

C
$$NaI$$

D
$$NaI/$$acetone

Solution
Question 9
1 / -0

Number of $$C$$ atoms which present in vinyl acetylene is

A
2

B
3

C
4

D
1

Solution
Question 10
1 / -0

An alkane with a molecular weight of 72g upon chlorination gives one monochlorination product. The alkane is:

A
2-methylbutane

B
n-pentane

C
2,2-Dimethylpropane

D
All the three above