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 |
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Acetylene and HCHO react in the presence of copper acetylide catalyst to form:

(1) 2-Butyne-1,4-diol

(2) 1-Butyne-1,4-diol

(3) 2-Butyne-1,2-diol

(4) None of these

Subtopic:  Aldehydes & Ketones |
 50%
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What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?

1. 

2. 

3. 

4. 

 

 

Subtopic:  Ascending and Descending Series |
 79%
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Which reagent can be used to distinguish between cis-Cyclopentane-1,2-diol and trans-Cyclopentane-1,2-diol?

1. Ozone

2. MnO2

3. Aluminium isopropoxide

4. Acetone

Subtopic:  Differentiation of Organic Compound |
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