In this reaction,

CH3CHO + HCN CH3CH(OH)CN H.OHCH3CH(OH)COOH

an asymmetric compound is generated. The acid obtained would be            

1. 50% D + 50% L-isomer

2. 20% D + 80% L-isomer

3. D-isomer

4. L-isomer

Subtopic:  Isomers & Reaction Mechanism |
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Which compound, upon hydrolysis of its cyanohydrin, yields lactic acid?

1. Acetone                                 

2. Acetaldehyde

3. Propanal                                 

4. HCHO

Subtopic:  Isomers & Reaction Mechanism |
 69%
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Formaldehyde can be distinguished from acetaldehyde by:

(a) Fehling's solution                     

(b) Schiff's reagent

(c) Ammonia                               

(d) Ammoniacal AgNO3

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Consider the following reaction,

The reaction is fastest when X is-

1. Cl

2. NH2

3. OC2H5

4. OCOR

Subtopic:  Isomers & Reaction Mechanism |
 72%
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In a set of reaction propionic acid yielded a compound D.

CH3CH2COOHSOCl2 BNH3 CBr2KOH

The structure of D would be

1. CH3CH2NHCH3

2. CH3CH2NH2

3. CH3CH2CH2NH2

4. CH3CH2CONH2

Subtopic:  Carboxylic Acids: Preparation & Properties |
 69%
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Zn-Hg/HClProduct, Product is

1.  

 

2.

 

3.    

 

4.

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 81%
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Which of the following  gives aldol condensation

(1)

(2)

(3)

(4)

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 83%
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 R-Cl       Dry EtherMg A ii·H3O+i·CO2

R-Cl is

(1)

(2)

(3)

(4)

 

Subtopic:  Carboxylic Acids: Preparation & Properties |
 67%
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The final product 'B' in the below mentioned reaction is:

1.  2.
3. 4.

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 77%
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P2O5Product

The product is-

1.

2.

3.

4.

 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 78%
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