Isomerism among compounds due to migration of a proton is known as:

1. geometrical        2. optical

3. tautomerism       4. position

Subtopic:  Structural Isomers |
 88%
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Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers

2. positional isomers

3. metamers

4. chain isomers

Subtopic:  Structural Isomers |
 53%
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The maximum number of stereoisomers possible for 3-hydroxy-2-methyl butanoic acid is/are :

1. 1               

2. 2

3. 3               

4. 4

Subtopic:  Stereo Isomers |
 64%
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Maleic and fumaric acids are:

1. tautomers                  2. geometrical isomers

3. chain isomers              4. functional isomers

Subtopic:  Stereo Isomers |
 65%
From NCERT
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The optically active alkane with lowest molar mass is:

1. CH3CH2CCH

2. CH3CH2-CH|CH3-CH3

3. 

4. CH3CH2.CH2CH3

Subtopic:  Stereo Isomers |
 70%
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a-D-(+)-glucose and β-D-(+)-glucose are :

(a) enantiomers

(b) conformers

(c) epimers

(d) anomers

Subtopic:  Stereo Isomers |
 58%
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The IUPAC name of the compound

is....

1. 3-keto-2-methylhex-4-enal

2. 5-formylhex-2-en-3-one

3. 5-methyl-4-oxohex-2-en-5-al

4. 3-keto-2-methylhex-5-enal

Subtopic:  Nomenclature |
 82%
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The correct order of strengths of the carboxylic acids :-


(a) I>II>III
(b) II>III>I
(c) III>II>I
(d) lI>I>IlI

Subtopic:  Acidic & Basic Character |
 67%
From NCERT
NEET - 2016
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Given,

Which of the given compounds can exhibit tautomerism?

(1) I and II            

(2) I and III

(3) II and III           

(4) I, II and III

Subtopic:  Structural Isomers |
 61%
From NCERT
NEET - 2015
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Which of the following statements is not correct for a nucleophile?

(1) Nucleophile is a Lewis acid

(2) Ammonia is a nucleophile

(3) Nucleophiles attack low electrons density sites

(4) Nucleophiles are not electron seeking

Subtopic:  Nucleophile & Electrophile |
 78%
From NCERT
NEET - 2015
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