Match the structures given in Column I with the names in Column II.

Column I Column II
A.   1. 4-Bromopent-2-ene
B.   2. 4-Bromo-3-methylpent-2-ene
C.   3. 1-Bromobut-2-ene
D.   4. 1-Bromo-2-methylpent-2-ene

Codes

A B C D
1. 2 3 4 1
2. 1 2 3 4
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Physical Properties |
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The correct IUPAC name for the following structure is:

1. 2-Chloro-3-methylbutane

2. 3-Chloro-2-methylbutane

3. 2-Chloro-1-methylbutane

4. 3-Chloro-1-methylbutane

Subtopic:  Physical Properties |
 89%
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p-Dichlorobenzene has a higher melting point than those of o- and m-isomers because :

1. More energy is required to break the crystal lattice of m-dichlorobenzene
2. More energy is required to break the crystal lattice of p-dichlorobenzene
3. More energy is required to break the crystal lattice of o-dichlorobenzene
4. None of the above
Subtopic:  Physical Properties |
 88%
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Match the structures of compounds given in Column I with the classes of compounds given in Column II.

Column I Column II
A.   1. Aryl halide
B.  CH2=CH-CH2-X 2. Alkyl halide
C.   3. Vinyl halide
D. CH2=CH-X 4. Allylic halide

Codes

A B C D
1. 2 4 1 3
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Physical Properties |
 85%
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The C-Cl bond of chlorobenzene in comparison to the C-Cl bond in methyl chloride is:

1. Shorter and weaker

2. Shorter and stronger

3. Longer and weaker

4. Longer and stronger

Subtopic:  Physical Properties |
 80%
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What is the correct IUPAC name of the below mentioned compound?



 

1. 1−Chloro−4−(1−iodophenyl)−3, 3−dimethylbut−1−ene
2. 1−Chloro−1−(4−iodophenyl)−3, 3−dimethylbut−1−ene
3. 1−Chloro−2−(3−iodophenyl)−3, 3−dimethylbut−1−en
4. 4−Chloro−1−(1−iodophenyl)−1, 1−dimethylbut−3−ene

 
Subtopic:  Physical Properties |
 79%
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Which of the following compounds has the lowest boiling point?

1. Pentyl chloride

2. tertiary-Butyl chloride

3. Isobutyl chloride

4. n-Butyl chloride

Subtopic:  Physical Properties |
 74%
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What is the correct order of boiling points for alkyl halides?

1. C2H5Cl > C2H5Br > C2H5I

2. C2H5I > C2H5Br > C2H5Cl  

3. C2H5I > C2H5Cl > C2H5Br

4. C2H5Br > C2H5I > C2H5Cl

Subtopic:  Physical Properties |
 72%
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CH3CH2CH(CH3)CH(C2H5)Cl is:

1. Secondary benzyl halide

2. Secondary alkyl halide

3. Primary alkyl halide

4. Secondary allyl halide

Subtopic:  Physical Properties | Isomerism & Chirality |
 73%
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What is produced when Br2 is added to cis-but-2-ene?

1. Racemic mixture of 2,3-Dibromobutane

2. Meso form of 2,3-Dibromobutane

3. Dextro form of 2,3-Dibromobutane

4. Laevo form of 2,3-Dibromobutane 

Subtopic:  Isomerism & Chirality |
 70%
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