The reaction of HBr with propene in the presence of peroxide gives:

1. 3-bromopropane

2. Allyl bromide

3. n-propyl bromide

4. Isopropyl bromide 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 82%
From NCERT
AIPMT - 2004
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Using anhydrous AlCl3 as a catalyst, one of the following reaction that produces ethylbenzene (PhEt) is:

1. CH3CH=CH2+C6H6

2. H2C=CH2+C6H6

3. H3CCH3+C6H6

4. H3CCH2OH+C6H6

Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
From NCERT
AIPMT - 2004
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The molecular formula of diphenylmethane is C13H12.
The number of structural isomers possible when one of the hydrogens is replaced by a chlorine atom is:

1. 4 2. 8
3. 7 4.
Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 63%
From NCERT
AIPMT - 2004
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On ozonolysis, the alkene that gives the following product is:

1.
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{CH}_3\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CHCH}_3\)
4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 91%
From NCERT
AIPMT - 2001
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A compound possessing optical isomerism provided it has the molecular formula C7H16, would be:

1. 2,3-Dimethyl pentane 2. 2,2-Dimethyl butane
3. 2-Methyl hexane 4. None of the above
Subtopic:  Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
 75%
From NCERT
AIPMT - 2001
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The compound  on reaction with NaIO4 in the presence of KMnO4 gives:

1. CH3COCH3

2. CH3COCH3 + CH3COOH

3. CH3COCH3 + CH3CHO

4. CH3CHO + CO2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 73%
From NCERT
AIPMT - 2003
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Among the following, the correct example of a free-radical substitution reaction is:

1.
2.
3.
4.
Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
 73%
From NCERT
AIPMT - 2003
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 An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-one.
The IUPAC name of ‘A’ is :

1. 3-Ethylpent-2-ene

2. 3-Ethylpent-2- yne

3. 2-Ethylpent-3-ene

4. 3-Ethylpent-4-yne

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 82%
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An alkene ‘A’ contains 3 C – Cσ bonds, 8 C – H σ bonds, and 1 C – C π bond,

 ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 u. The IUPAC name of ‘A’ is:

1. Prop-2-yne 2. But-2-ene
3. But-2-yne 4. Prop-2-ene
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
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Propanal and pentane-3-one are the products of ozonolysis of an alkene. The structural formula of the alkene is  :

1. 2.  , 
3. 4.

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
From NCERT
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