The major product of the following reaction is:

strong heating

1.  

 

2.  

 

3.  

 

4.  

Subtopic:  Carboxylic Acids: Preparation & Properties |
 88%
From NCERT
NEET - 2019
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Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields :

1. Ethyl butyrate

2. Acetoacetic ester

3. Methyl acetoacetate

4. Ethyl propionate

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
 55%
AIPMT - 2006
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Nucleophilic addition reaction will be most favoured in-

1. CH3CH2CH2COCH3

2. (CH3)2C=O

3. CH3CH2CHO

4. CH3CHO

Subtopic:  Isomers & Reaction Mechanism |
 72%
From NCERT
AIPMT - 2006
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A carbonyl compound reacts with hydrogen cyanide to form cyanohydrins which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is :

1. Acetaldehyde

2. Acetone

3. Diethyl ketone

4. Formaldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
 66%
From NCERT
AIPMT - 2006
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In a set of reactions propanoic acid yielded a compound D

CH3CH2COOHSOCl2BNH3CBr2KOHD 
The structure of D would be :

1. CH3CH2CH2NH2

2. CH3CH2CONH2

3. CH3CH2NHCH3

4. CH3CH2NH2

Subtopic:  Amines - Preparation & Properties |
 74%
From NCERT
AIPMT - 2006
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The product formed in aldol condensation is :

1. A beta-hydroxy acid

2. A beta-hydroxy aldehyde or a beta-hydroxy ketone

3. An alpha-hydroxy aldehyde or ketone.

4. An alpha, beta unsaturated ester

Subtopic:  Name Reaction |
 76%
From NCERT
AIPMT - 2007

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Consider the following compounds : 
(i) C6H5COCl 
(ii)  


(iii)  


(iv)  


The correct decreasing order of their reactivity towards hydrolysis is :

1. (ii)>(iv)>(iii)>(i)

2. (i)>(ii)>(iii)>(iv)

3. (iv)>(ii)>(i)>(iii)

4. (ii)>(iv)>(i)>(iii)

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 73%
AIPMT - 2007

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A strong base can abstract an α- hydrogen from:

1.  Alkene

2.  Amine

3.  Ketone

4.  Alkane

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 68%
From NCERT
AIPMT - 2008

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The relative reactivities of acyl compounds towards nudeophilic 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:  Acid Derivatives - Preparation, Properties & Uses |
 74%
AIPMT - 2008

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Acetophenone when reacted with a base, C2H5ONa, yields a stable compound which has the structure

1.  

2.  

3.  

4.  

Subtopic:  Name Reaction |
 71%
From NCERT
AIPMT - 2008

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