The correct acidity order of the following is:

1. (III)>(IV)>(II)>(I)                       

2. (IV)>(III)>(I)>(II)

3. (III)>(II)>(I)>(IV)                       

4. (II)>(III)>(IV)>(I)  

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 57%
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Acetone reacts with iodine (I2) to form iodoform in the presence of      

1. CaCO3   

2. NaOH     

3. KOH     

4. MgCO3

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 86%
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Generally Aldehydes behave as:

1. Oxidising agent

2. Reducing agent

3. Dehydration agent

4. Oxidizing as well as reducing agent

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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A and B in the following reactions are  

1. A=RR'CH2CN,              B=NaOH

2. A=RR'C<COOHOH ,          B=CH3

3. A=RR'C<COOHCN ,          B=CH3

4. A=RR"C<OHCN,              B=LiAlH4

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
 89%
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RCOOH RCH2OH. This mode of reduction of an acid to alcohol can be affected only by:

1. Zn/HCl

2. Na-alcohol

3. aluminium isopropoxide and isopropyl alcohol

4. LiAlH4

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 79%
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Ethyl ester ExcessCH3MgBr P. the product P will be: 

1. 

2. 

3.

4. 

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
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Which one of the following can be oxidised to the corresponding carbonyl compound?   [2004]

1. 2-hydroxy propane

2. Ortho-nitro phenol

3. propane

4. 2-methyl-2-hydroxy propane

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 69%
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Dry distillation of barium salt of Hexane-1,6-dicarboxylic acid gives:

1. 

2. 

3. 

4. 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 65%
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Polarisation of electrons in acrolein may be written as             

1. Cδ+H2=CH-CH=Oδ-

2. Cδ+H2=Cδ+H-CH=O

3. Cδ+H2=CH-CH=Oδ+

4. Cδ+H2=CH-Cδ+H=O

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 80%
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Consider the following reaction;

CH3Br + Mg EtherAHCHOBHOHC

compound C is:

1. acetic acid

2. acetaldehyde

3. ethyl alcohol

4. formic acid

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 64%
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