How many dihalogen derivatives of propane are there?

1. 1 2. 2
3. 3 4. 4

Subtopic:  Isomerism & Chirality |
 52%
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 Sulphuric acid is not used during the reaction of alcohols with KI and acts as :

1. Reducing agent

2. Electron donor

3. Electron acceptor

4. Oxidising agent

Subtopic:  Mechanism of Reactions |
 65%
From NCERT
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The reaction below is an example of :

1. Addition reaction.

2. SN1

3. Elimination reaction.

4. SN2

Subtopic:  Mechanism of Reactions |
 63%
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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:  Introduction and Physical Properties |
 79%
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What is the IUPAC name for CH3C(p-ClC6H4)2CH(Br)CH3?

1. 2−Bromo−3,3−bis(4−chlorophenyl) butane

2. 4−Bromo−3,3−bis(2−chlorophenyl) butane

3. 2−Bromo−1,1−bis(4−chlorophenyl) butane

4. 4−Bromo−1,1−bis(2−chlorophenyl) butane

Subtopic:  Introduction and Physical Properties |
 73%
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The IUPAC name of the following compound is:
 p-ClC6H4CH2CH(CH3)2

1. 1−Chloro−4−(2−methylpropyl) benzene

2. 4−Chloro−1−(2−methylpropyl) benzene

3. 1−Chloro−4−(3−methylpropyl) benzene

4. 4−Chloro−4−(3−methylpropyl) benzene

Subtopic:  Introduction and Physical Properties |
 53%
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Why is the Wurtz reaction not preferred for the preparation of alkanes containing an odd number of carbon atoms?

1. Boiling points of alkanes obtained in the mixture are very close
2. Melting points of alkanes obtained in the mixture are very close
3. Lattice energy of alkanes obtained in the mixture are very close
4. None of the above
Subtopic:  Mechanism of Reactions | Chemical Properties |
From NCERT
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The correct sequence for increasing dipole moment is:

1. CCl4 < CHCl3 < CH2Cl2
2. CHCl3 < CH2Cl2 < CCl4
3. CCl4 < CH2Cl2 < CHCl3
4. CH2Cl2 < CCl4 < CHCl3

Subtopic:  Introduction and Physical Properties |
 52%
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A hydrocarbon C5H10 does not react with chlorine in the dark but gives a single monochloro compound C5H9Cl in bright sunlight. Hydrocarbon could be:

1. Benzene 2. Cyclopentane
3. Toluene 4. Hexane
Subtopic:  Mechanism of Reactions | Chemical Properties |
 77%
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The compound with the formula C4H9Br has how many structural isomers?

1. 6 2. 3
3. 5 4. 4
Subtopic:  Isomerism & Chirality |
 57%
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