Given is cyclohexanol (I), acetic acid (II), 2,4,6-trinitrophenol (III), and phenol (IV).

The order of decreasing acidic character 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 |
NEET - 2010
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The most acidic compound among the following is-

1. 2.
3. 4.
Subtopic:  Acidic & Basic Character |
 77%
From NCERT
NEET - 2010
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The correct order of increasing reactivity of C-X bond towards nucleophile in the following

compounds is

1. I < II < IV < III

2. II < III < I < IV

3. IV < III < I < IV

4. III < II < I < IV

Subtopic:  Nucleophile & Electrophile |
 59%
NEET - 2010
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Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is

1. CH3COOCH3

2. CH3CONH2

3. CH3COOCOCH3

4. CH3COCl

Subtopic:  Nucleophile & Electrophile |
 54%
NEET - 2010
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Which one is most reactive towards electrophilic reagent?

 

Subtopic:  Nucleophile & Electrophile |
 53%
NEET - 2010
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The IUPAC name of the compound having the formula CHC-CH=CHis

1. 3-butene-1-yne

2. 1-butyn-3-ene

3. but-1-yne-3-ene

4. 1-butene-3-yne

Subtopic:  Nomenclature |
 70%
From NCERT
NEET - 2009
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The relative reactivates of acyl compounds towards nucleophilic substitution are in the order of

(1) Acyl chloride > Acid anhydride > Ester > Amide

(2) Ester > Acyl Chloride > Amide > Acid anhydride

(3) Acid anhydride > amide > Ester > Acyl chloride

(4) Acyl chloride > Ester > Acid anhydride > Amide

Subtopic:  Nucleophile & Electrophile |
 59%
NEET - 2008
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Which one of the following is most reactive towards electrophillic attack?

(a) 

(b) 

(c) 

(d) 

Subtopic:  Types of Reaction |
 65%
NEET - 2008
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A strong base can abstract an α-hydrogen from

1. alkene

2.amine

3. ketone

4. alkane

Subtopic:  Nucleophile & Electrophile |
NEET - 2008
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The stability of carbanions in the following

(1) RCC

(2) 

(3) R2C=CH

(4) R3C-CH2

is in the order of

(a) (1)>(2)>(3)>(4)

(b) (2)>(3)>(4)>(1)

(c) (4)>(2)>(3)>(1)

(d) (1)>(3)>(2)>(4)

Subtopic:  Reaction Intermediates ; Preparation & Properties |
From NCERT
NEET - 2008
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