Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is

1. CH3COOCH3

2. CH3CONH2

3. CH3COOCOCH3

4. CH3COCl

Subtopic:  Isomers & Reaction Mechanism |
 78%
AIPMT - 2010

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Which one is a nucleophilic substitution reaction among the following?

1.  RCHO+R'MgXR-CH|OH-R'

2.  CH3-CH2-CH|CH3-CH2Br+NH3CH3-CH2-CH|CH3-CH2NH2

3.  CH3CHO+HCNCH3CHOHCN

4.  CH3-CH=CH2+H2OH+CH3-CH|OH-CH3

Subtopic:  Isomers & Reaction Mechanism |
 65%
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AIPMT - 2011

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In a set of reactions, m-bromobenzoic acid gave a product D. The product D is:

1. 2.
3. 4.
Subtopic:  Isomers & Reaction Mechanism |
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Clemmensen reduction of a ketone is carried out in the presence of which of the following?

1.  Zn-Hg with HCl

2.  LiAlH4

3.  H2 and Pt as catalyst

4.  Glycol with KOH

Subtopic:  Name Reaction |
 91%
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AIPMT - 2011

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CH3CHO and C6H5CH2CHO can be distinguished chemically by-

1. Benedict test

2. Iodoform test

3. Tollen's reagent test

4. Fehling solution test

Subtopic:  Name Reaction |
 72%
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AIPMT - 2012

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The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D)

1. B > A > D > C

2. B > D > C > A

3. A > B > C > D

4. A > C > B >D

Subtopic:  Carboxylic Acids: Preparation & Properties |
 84%
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AIPMT - 2012

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Predict the products in the given reactions, 
 
1. 
 
2. 
 
3. 
 
4. 

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 71%
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AIPMT - 2012

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Reaction by which Benzaldehyde cannot be prepared:
1. + H2 in presence of Pd-BaSO4
2. + CO + HCl in presence of anhydrous AlCl3
3. + Zn/Hg and conc. HCl
4. + CrO2Cl2 in CS2 followed by H3O+
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 80%
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AIPMT - 2013

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Which one is most reactive towards Nucleophilic addition reaction ?
 
1. 
 
2. 
 
3. 
 
4. 

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 84%
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AIPMT - 2014

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Treatment of cyclopentanone = o with methyl lithium gives which of the following species?
1. Cyclopentanonyl anion
2. Cyclopentanonyl cation
3. Cyclopentanonyl radical
4. Cyclopentanonyl biradical

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 58%
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