Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 73

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

Consider the above reaction :
The major products formed in this reaction are :

A

B

C

D
No reaction

Solution
Question 2
1 / -0

The major product obtained on the monobromination with $$Br_{2}/FeBr_{3}$$ :

A

B

C

D

Solution

In the given reactant, the two groups which are present on the benzene rings $$(-OCH_3 \ and \ -CH_3 )$$ are electron-donating and ortho- para- directing groups.
The ortho- para- directing nature of the groups are in the following order:-
$$NH_2 > -NR_2> -OH > -OCH_3 > -NHAc> -CH_3 > -X$$
Thus, they both will direct $$ Br$$ group on ortho- and para- position. But due to the steric hindrance, the compound at the para position will be a major product.
Hence, option B is correct.
Question 3
1 / -0

Which is suitable reagent for Wurtz reaction?

A
Na/ether

B
Na/alcohol

C
Zn/ether

D
Zn/alcohol

Solution
Question 4
1 / -0

What is the $$IUPAC$$ name of the given compound?

A
$$1-$$chloro cyclohex$$-1-$$ene

B
$$2-$$chloro cyclohex$$-2-$$ene

C
$$3-$$chloro cyclohex$$-1-$$ene

D
$$4-$$chloro cyclohex$$-3-$$ene
Question 5
1 / -0

The major product formed by monobromination of methyl cyclopentane is:

A

B

C

D
Question 6
1 / -0

The best method for the preparation of chlorobenzene is:

A

B

C

D
Question 7
1 / -0

The major product obtained on treatment of $$ \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } ( \mathrm { F } ) \mathrm { CH } _ { 3 } $$ with $$ \mathrm { CH } _ { 3 } \mathrm { O } ^{- }/ \mathrm { CH } _ { 3 } \mathrm { OH } $$ is

A
$$ \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } \left( \mathrm { OCH } _ { 3 } \right) \mathrm { CH } _ { 3 } $$

B
$$ \mathrm { CH } _ { 3 } \mathrm { CH } = \mathrm { CHCH } _ { 3 } $$

C
$$ \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } = \mathrm { CH } _ { 2 } $$

D
$$ \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { OCH } _ { 3 } $$
Question 8
1 / -0

What is the sum of positions assigned to bromine while numbering the Parent Chain in the below compounds ?

A
$$13$$

B
$$14$$

C
$$15$$

D
$$16$$
Question 9
1 / -0

The minimum molecular weight of hydrocarbon containing minimum number of C-atom to show optical isomerism:

A
100

B
80

C
68

D
70
Question 10
1 / -0

Identify the major product

A

B

C

D

Solution