The conversion of CH3OH to CH3COOH can be brought in by:

1. K2Cr2O7/H+                           

2. CO + Rh

3. KMnO4                                   

4. H3PO4

Subtopic:  Carboxylic Acids: Preparation & Properties |
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Benzaldehyde and acetaldehyde can be distinguished by:

1. Iodoform test

2. 2,4 - DNP test

3. NH3 reaction

4. Wolff-Kishner's reduction

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 75%
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Fehling's solution is:

1. Acidified copper sulphate solution

2. Ammoniacal cuprous chloride solution

3. Copper sulphate, Rochelle salt + NaOH

4. None of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 76%
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Which compounds will not reduce Fehling's solution?

1. Methanal                                 

2. Ethanal

3. Trichloroethanal                       

4. Benzaldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 77%
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Acetaldehyde normally reacts with                

1. only electrophiles

2. only nucleophiles

3. only free radicals

4. both electrophiles and nucleophiles

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 55%
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Muscone (an explosive perfume secreted by musk deer) has the structure

Structural formula of muscone

 . Its IUPAC name is:

1. 3-methyl cyclopentadecanone

2. methyl cyclopentadecan-3-one

3. 3-methyl cyclotetradecanone

4. 3-methyl cyclohexadecan-3-one

 

Subtopic:  Name Reaction |
 68%
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Which of the following has most acidic hydrogen?

1. 3-hexanone                         

2. 2,4-hexanedione

3. 2,5-hexanedione                   

4. 2,3-hexanedione

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 52%
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Which can be reduced to corresponding hydrocarbon by Zn-Hg/conc HCl?

1. Butan-2-one

2. Acetic acid

3. Acetamide

4. Ethyl acetate

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 78%
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Nucleophilic addition reaction will be most favoured in                   [2006]

1. 
                        O
                        
CH3-CH2-CH2C-CH3

2. (CH3)2C=O

3. CH3CH2CHO

4. CH3CHO

Subtopic:  Isomers & Reaction Mechanism |
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The enolic form of acetone contains:

1. 9 σ-bonds, 1π-bond and 2 lone pairs

2. 8 σ-bonds, 2π-bonds and 2 lone pairs

3. 10 σ-bonds, 1π-bond and 1 lone pair

4. 9 σ-bonds, 2π-bonds and 1 lone pair

 

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 72%
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