Nitrobenzene combines with hydrogen in the presence of platinum to yield:

1.  toluene

2.  benzene

3.  aniline

4.  azobenzene

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4
Correct Answer :

aniline


Explanation :
No Explanation available for this question

The IUPAC name of the compound having the formula CH=C-CH=CH2 is:

1.  1-butyne-3-ene

2.  But-1-ync-3-ene

3.  3-butene-1-yne

4.  1-butene-3-yne

View Answer  
4
Correct Answer :

1-butene-3-yne


Explanation :
No Explanation available for this question

The reaction  is:

1.  Friedel-Craft's aIkylation

2.  addition reaction

3.  Friedel-Craft's acylation

4.  Friedel-Craft's benzylation

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4
Correct Answer :

Friedel-Craft's aIkylation


Explanation :
No Explanation available for this question

N2(g) + 3H2(g) ⇌ 2NH3(g) + 22 kcal. The activation energy for the forward reaction is 50 kcal.What is the activation energy for the backward reaction

1.  -72 kcal

2.  -28 kcal

3.  +28 kcal

4.  +72 kcal

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4
Correct Answer :

+72 kcal


Explanation :
No Explanation available for this question

The raw material used in Nylon-6 is

1.  Adipic acid

2.  Phthalic acid

3.  Ethylene glycol

4.  Caprolactum

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4
Correct Answer :

Caprolactum


Explanation :
No Explanation available for this question

Which one of the following reactions is called Rosenmund's reaction

1.  Aldehydes are reduced to alcohols

2.  Acids are converted to acid chlorides

3.  Alcohols are reduced to hydrocarbons

4.  Acid  chlorides are reduced to aldehydes

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4
Correct Answer :

Acid  chlorides are reduced to aldehydes


Explanation :
No Explanation available for this question

Ethyl chloride on reduction with LiAlH4 gives compound 'X' as important product 'X' on Chlorination with one mole of Cl2 in the presence of light at ordinary temperature gives Y, What is 'Y'

1.  C2H6

2.  C2H4

3.  C2H5Cl

4.  C2H5OH

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4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>Cl


Explanation :
No Explanation available for this question

IUPAC name of

1.  2-methyl-3-ethyl; 1-pentene

2.  3-ethyl-4-methyl, 4-pentene

3.  3-ethyl-2-methyl; 1-pentene

4.  3-methyl-2-ethyl; 1-pentene

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4
Correct Answer :

2-methyl-3-ethyl; 1-pentene


Explanation :
No Explanation available for this question

In the separation of noble gas mixture from air by Ramsay-Rayleigh's first method, the substance used for the removal of N2 and O2 respectively are

1.  Cu and Mg

2.  Mg and Cu

3.  C and SaC2

4.  KOH solution

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4
Correct Answer :

Mg and Cu


Explanation :
No Explanation available for this question

Which following oxides is paramagnetic

1.  Na2O

2.  Na2O2

3.  K2O

4.  KO2

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4
Correct Answer :

KO<sub>2</sub>


Explanation :
No Explanation available for this question
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