JEE Exam > JEE Tests > Chemistry for JEE Main & Advanced > Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - JEE MCQ
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - JEE MCQ
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15 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides
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Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 1
Find out 
and 
:
Find out
and :
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 1
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 2
The final product of the reaction is :
The final product of the reaction is :
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 2
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Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 3
Which of the following is the geminal dichloride?
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 3
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 4
In the following reaction sequence :
The compound I is :
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 4
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 5
Which of the following will have a meso isomer?
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 5
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 6
Identify 
in the reaction :
in the reaction :
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 6
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 7
Arrange the following compounds in order of increasing dipole moment :
(I) Toluene
(II)
-dichlorobenzene
(III)
-dichlorobenzene
(IV)
-dichlorobenzene
(I) Toluene
(II)
-dichlorobenzene(III)
-dichlorobenzene(IV)
-dichlorobenzene
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 7
-dichlorobenzene, the two equal dipoles are in opposite direction, hence the molecule has zero dipole moment. In 
- and 
- dichlorobenzenes, the two dipoles are at 
and 
apart respectively, and thus according to parallelogram law of forces, the dipole moment of 
-dichlorobenzene is much higher than that of 
-isomer. Lastly, toluene with a +I group possesses little dipole moment. Thus the overall order is
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 8
The product 
in the following synthetic scheme is
in the following synthetic scheme is
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 8
-nitrochlorobenzene as a major product. It further 4-nitrophenol.
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 9
Which of the following statements are correct?
A. The
bond in chlorobenzene is shorter than in chloromethane.
B. It is difficult to replace chlorine from chlorobenzene than from benzyl chloride.
C. The
bond in chlorobenzene has some double bond character.
D. Chlorobenzene on chlorination gives m-dichlorobenzene
A. The
bond in chlorobenzene is shorter than in chloromethane.B. It is difficult to replace chlorine from chlorobenzene than from benzyl chloride.
C. The
bond in chlorobenzene has some double bond character.D. Chlorobenzene on chlorination gives m-dichlorobenzene
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 9
and 
. So, it is difficult to replace form than form benzyl chloride.
has double bond character in chlorobenzene.
-dichlorobenzene due to 
-directing effect of 
.
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 10
Identify the halogen exchange reaction from the following.
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 10
reaction (substitution nucleophilic bimolecular reaction) that involves an exchange of one halogen atom for another. It is an organic reaction, which uses an alkyl halide exchange into another alkyl halide through a reaction, wherein the metal halide is used.
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 11
Replacement of 
of chlorobenzene to give phenol requires drastic conditions but chlorine of 2,4 -dinitrochlorobenzene is readily replaced This is because
of chlorobenzene to give phenol requires drastic conditions but chlorine of 2,4 -dinitrochlorobenzene is readily replaced This is because
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 11
group withdraws electrons from 
- and 
-positions and hence activates the 
present on that position towards nucleophilic substitution.
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 12
The final product obtained in the reaction
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 12
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 13
The compound
The compound
is
The compound
is
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 13
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 14
Which of the following is (are) true concerning the intermediate in the addition-elimination mechanism of the following reaction ?
The intermediate is aromatic, 
The intermediate is a resonance stabilised anion, 
Electron withdrawing groups on the benzene ring stabilises the intermediate
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 14
Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 15
Chlorobenzene reacts with trichloro acetaldehyde in the presence of 
.
The major product formed is:
Detailed Solution for Test: Preparation and Properties of Aryl Halides,Geminal and Vicinal Dihalides - Question 15
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