Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 77

Score
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Rank
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Weekly Quiz Competition

Question 1
1 / -0

Which one is not prepared by Wurtz reaction?

A
$$C_4H_8$$

B

C
$$CH_4$$

D

Solution
Question 2
1 / -0

Which of the following halides is most reactive in an $${ E }_{ 2 }$$ reaction with sodium methoxide

A
$$\left( { CH }_{ 3 } \right) _{ 3 }{ CCH }_{ 2 }I$$

B
$$\left( { CH }_{ 3 } \right) _{ 2 }CHCHICH_{ 3 }$$

C
$$\left( { CH }_{ 3 } \right) _{ 2 }{ CHCH }_{ 2 }Br$$

D
$$\left( { CH }_{ 3 } \right) _{ 2 }{ CHCH }_{ 2 }Cl$$
Question 3
1 / -0

Identify the set of reagent/reaction conditions 'X' and 'Y' in the following set product:

$$CH_3-CH_2-CH_2Br\xrightarrow{\text{X}}CH_3-CH=CH_2 \xrightarrow{\text{Y}}CH_3-\underset{|}CH-CH_3$$
$$Br$$

A
$$X=$$ dilute aqueous NaOH $$20 ^ { \circ } \mathrm { C }; \mathrm { Y }=$$ HBr/acetic acid $$20 ^ { \circ } C$$

B
$$X=$$ concentrated alcoholic $$\mathrm { NaOH } , 80 ^ { \circ } \mathrm { C } ; \mathrm { Y }=$$ HBr/acetic acid $$20 ^ { \circ } C$$

C
$$X=$$ dilute aqueous NaOH $$20 ^ { \circ } \mathrm { C };$$ $$\mathrm Y=\mathrm { Br } _ { 2 } / \mathrm { CHCl } _ { 3, } \ 0 ^ { \circ } \mathrm { C }$$

D
$$X=$$ concentrated alcoholic $$\mathrm { NaOH } , 80 ^ { \circ } \mathrm { C } ; \mathrm { Y }=$$ $$\mathrm { Br } _ { 2 } / \mathrm { CHCl } _ { 3 } , 0 ^ { \circ } \mathrm { C }$$

Solution
Question 4
1 / -0

The product of the following reaction
$$ C_6H_5Cl \xrightarrow [(Room\ temp.)]{KOH(aq)} product $$

A
$$ C_6H_5OH $$

B
$$ C_6H_4(OH)Cl$$

C
$$ C_6H_4(OH)_2 $$

D
No reaction
Question 5
1 / -0

To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be:

A
Ethyl chloride and n-butyl chloride

B
Methyl chloride and n-pentyl bromide

C
Ethyl bromide and n-butyl bromide

D
n-propyl bromide
Question 6
1 / -0

Interhalogen wwhich is very unstable among the following >

A
BrCi

B
ICI

C
IF

D
IBr
Question 7
1 / -0

$$Compound (refer\ image)\overset { alc. }{ \underset { KOH }{ \longrightarrow } } (A)\overset { NBS }{ \longrightarrow } (B)\overset { alc. }{ \underset { KOH }{ \longrightarrow } } (C)\overset { NBS }{ \longrightarrow } (D)\overset { alc. }{ \underset { KOH }{ \longrightarrow } } (E)$$ The product E is

A

B

C

D

Solution
Question 8
1 / -0

Provide the structure of the major organic product which results in the following reaction.

A

B

C

D
Question 9
1 / -0

Arrange the following compounds in order of increasing reactivity toward ethanol solvolysis.

A
$$\mathrm { IV } < \mathrm {I} < \mathrm { III } < \mathrm { II }$$

B
$$\mathrm {III} < \mathrm{IV} < \mathrm { II } < \mathrm { I }$$

C
$$\mathrm { III } < \mathrm { II } < \mathrm { I } < \mathrm { IV }$$

D
$$\mathrm { II } < \mathrm { III } < \mathrm { I } < \mathrm { IV }$$
Question 10
1 / -0

On reaction with benzene, which halide is least reactive for Friedel crafts reaction ?

A
Isopropylchloride

B
Vinyl chloride

C
Benzylchloride

D
methylchloride

Solution