An alkene, obtained by the dehydration of an alcohol(A), on ozonolysis gives two molecules of acetaldehyde for every molecule of alkene. the alcohol (A) is:

1. CH3CH2CH2OH

2. CH3CH2OH

3. CH3CH=CHCH2OH

4. CH3CH2CHIOHCH3

 

Subtopic:  Differentiation of Organic Compound |
 63%
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Propene on reaction with diazomethane in presence of UV radiations gives:

(1) cyclopropane

(2) methyl cyclopropane

(3) butane

(4) butene

Subtopic:  Ascending and Descending Series |
 66%
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The product formed during the reaction,

CHCH+NaOCl0°Cis:

1. 1,2-Dichloroethane

2. 1,1-Dichloroethane

3. 1,2-Dichloroethene

4. 1,2-Dichloroethyne

Subtopic:  Ascending and Descending Series |
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Identify Z in the following series,

CH2=CH2 HBr X Hydrolysis Y I2 excessNa2CO3 Z :

1. C2H5I

2. C2H5OH

3. CHI3

4. CH3CHO

Subtopic:  Differentiation of Organic Compound |
 65%
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Zinc-copper couple that can be used as a reducing agent is obtained by:

(1) mixing zinc dust and copper gauze

(2) zinc coated with copper

(3) copper coated with zinc

(4) zinc and copper wires welded together

Subtopic:  Differentiation of Organic Compound |
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Methane reacts with conc. HNO3 at high temperature to yield:

(1) CO2 and H2O

(2) HCHO

(3) HCOOH

(4) CH3NO2

Subtopic:  Differentiation of Organic Compound |
 51%
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Ozonolysis of propyne gives:

1. CH3CHO               

2. CH3COCHO

3. HCHO                   

4. CHOCHO

Subtopic:  Aldehydes & Ketones |
 60%
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CH3-CC-CH3NaNH2X; what is X?

1. CH3-CH2CH2CH3

2. CH3CH2CCH

3.

4. CH2=C=CH-CH3

Subtopic:  Differentiation of Organic Compound |
 50%
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Propyne on oxidation with SeO2 gives:

(1) CHOCHO                   

(2) CH3CH2CHO

(3) CH3COCHO               

(4) CHOCH2CHO

Subtopic:  Aldehydes & Ketones |
 58%
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When an alcoholic solution of ethylene dibromide is heated with granulated zinc, the compound formed is:

(1) ethane 

(2) ethylene

(3) butane

(4) isobutane

Subtopic:  Differentiation of Organic Compound |
 69%
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