An aldehyde which undergoes Cannizzaro's reaction and reduces Schiff's reagent but does not reduce Fehling's solution is:

(1) CH3CHO

(2) HCHO

(3) C6H5CHO

(4) salicylaldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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b-hydroxy butyraldehyde is an example of: 

(1) aldol

(2) diol

(3) hemiacetal

(4) acetal

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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A ketone reacted with C2H5MgBr reagent followed by hydrolysis gave a product which on dehydration gives an alken. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:

(1) dimethyl ketone

(2) ethyl methyl ketone

(3) diethyl ketone

(4) ethyl propyl ketone

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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The reaction  produces:

1. 

2. 

3. 

4. 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Treatement of propionaldehyde with dil. NaOH gives:

(1) CH3CH2COOCH2CH2CH3

(2) CH3CH2CHOHCH2CH2CHO

(3) CH3CH2CHOHCH(CH3)CHO

(4) CH3CH2COCH2CH2CHO

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Which of the following will react with water ?

(1) CHCl3

(2) CCl3CHO

(3) CCl4

(4) CH2Cl.CH2Cl

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Among the given compounds, the most susceptible to nucleophile attack at the carbonyl group is:

(1) MeCOCl

(2) MeCHO

(3) MeCOOMe

(4) MeCOOCOMe

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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In a Cannizzaro's reaction, the intermediate that will be best hydride donor is:

1. 

2. 

3. 

4. 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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In the Cannizzaro's reaction given below,

2Ph-CHOOH-Ph-CH2OH + PhCOO-

the slowest step is:

(1) The attack of OH- at the carbonyl group

(2) the transfer of hydride to the carbonyl group

(3) the abstraction of proton from the carboxylic acid

(4) the deprotonation of Ph-CH2OH

Subtopic:  Name Reaction |
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The aldol condensation of acetaldehyde results in hte formation of:

1. CH3 C CHCH3        ||  |        O OH

2. CH3 CHCH2 CH              |         ||           OH        O

3. CH3CH2CHCH           |               ||         OH             O

4. CH2CH2OH+COOH

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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