The following carbanions stability is in the order of
 
 

1.  (1) > (2) > (3) > (4)

2.  (2) > (3) > (4) > (1)

3.  (4) > (2) > (3) > (1)

4.  (1) > (3) > (2) > (4)

Subtopic:  Reaction Intermediates ; Preparation & Properties |
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AIPMT - 2008

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Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

1. 2-butene

2. Butanol

3. 2-butyne

4. 2-butenol

Subtopic:  Stereo Isomers |
 66%
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AIPMT - 2009

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The IUPAC name of the compound having the formula CH≡C–CH=CH2 is :

1. 3-Butene-1-yne

2. 1-Butyn-3-ene

3. But-1-yne-3-ene

4.  Buten-3-yne

Subtopic:  Nomenclature |
 55%
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AIPMT - 2009

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In the following, the most stable conformation of n-butane is:
1. 2.
3. 4.


 

Subtopic:  Conformational Isomers |
 74%
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Decreasing order of acidic character for cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV),  will be

1. III>II>IV>I

2. II>III>I>IV

3. II>III>IV>I

4. III>IV>II>I

Subtopic:  Acidic & Basic Character |
 52%
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Which one of the following is most reactive towards electrophilic reagent?

1.  

2.  

3.  

4.  

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
From NCERT
AIPMT - 2011

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The correct IUPAC name of the compound 

1.  3-ethyl-4-ethenylheptane

2.  3-ethyl-4-propylhex-5-ene

3.  3-(1-ethyl propyl) hex-1-ene

4.  4-ethyl-3-propylhex-1-ene

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
 52%
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AIPMT - 2011

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The correct order of increasing bond length of 
C-H, C-O, C-C and C=C is

1.  C-C<C=C<C-O<C-H

2.  C-O<C-H<C-C<C=C

3.  C-H<C-O<C-C<C=C

4.  C-H<C=C<C-O<C-C

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 61%
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Considering the state of hybridization of carbon atoms, find out the molecules among the following which is linear.

1.  CH3-CC-CH3

2.  CH2=CH-CH2-CCH

3.  CH3-CH2-CH2-CH3

4.  CH3-CH=CH-CH3

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 60%
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Which nomenclature is not according to IUPAC system?
 
1. Br-CH2-CH=CH21-bromo prop-2-ene
 
2. 
 
3. 
 
4. 

 

Subtopic:  Nomenclature |
 60%
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AIPMT - 2012

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