A compound having the highest boiling point among the following is - 

1. Iso-octane 2. n-Octane
3. 2,2,3,3-Tetramethyl butane 4. n-Butane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 80%
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Anti-Markovnikov’s addition of HBr is not observed in-

1. Propene 2. But-1-ene
3. But-2-ene 4. Pent-2-ene 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 78%
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Baeyer's reagent is: 

1. Acidified permanganate solution

2. Alkaline permanganate solution

3. Neutral permanganate solution

4. Aqueous bromine solution

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
From NCERT
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Which of the following Hydrocarbon has the highest octane number?

1. Methane

2. Ethane

3. Iso-octane

4. Triptane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 76%
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The product(s) obtained via oxymercuration (HgSO4 + H2SO4 ) of but-1-yne is -

1. CH3CH2-C||O-CH3

2. CH3CH2 CH2-CHO

3. CH3CH2CHO + HCHO

4. CH3 CH2COOH + HCOOH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 69%
From NCERT
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The compound that has least hindered rotation around carbon-carbon bond is-

1. Ethane 2. Ethylene
3. Acetylene 4. Hexachloroethane
Subtopic:  Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
 71%
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Benzene+CH3ClAlCl3 C6H5CH3

The mechanism & intermediate involved in the above reaction are:

1. Aromatic electrophilic substitution & carbocation

2. Aromatic Nucleophilic substitution & carbanion

3. Aromatic free radical substitution & Free radical

4. Carbene based substitution reaction & Carbene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 84%
From NCERT
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The major product in the following reaction is-

1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 65%
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The main product of the following reaction will be-

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 76%
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Consider the following reaction:-

A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using-

1. AgNO3(aq)

2. Br2/FeCl3

3. Conc.HNO3/Conc.H2SO4

4. NaCl(aq)

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 51%
From NCERT
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