Bromine is liberated when an aqueous solution of KBr is treated with

1.  I2

2.  HI

3.  Cl2

4.  SO2

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4
Correct Answer :

Cl2


Explanation :
No Explanation available for this question

Friedel Charles worked on synthesis of

1.  Benzene

2.  Minerals

3.  Organic compounds

4.  Inorganic compounds

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4
Correct Answer :

Minerals


Explanation :
No Explanation available for this question

Which of the following has a pyramidal structure

1.  ClO2

2.  ClO2-

3.  ClO3-

4.  ClO4-

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4
Correct Answer :

ClO2


Explanation :
No Explanation available for this question

The process of introduction of _____ group into the benzene ring is called sulphonation

1.  -SO4H

2.  -SO3H

3.  -SO2H

4.  -SOH2

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4
Correct Answer :

-SO3H


Explanation :
No Explanation available for this question

In which of the element +1 oxidation state is stable than +3

1.  Ga

2.  Al

3.  Tl

4.  B

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4
Correct Answer :

Tl


Explanation :
No Explanation available for this question

Bond angle of carbon in benzene ring is ______

1.  300

2.  600

3.  900

4.  1200

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4
Correct Answer :

1200


Explanation :
No Explanation available for this question

p - Nitro phenol is a strongest acid than phenol because nitro group is

1.  Electron donating

2.  Electron withdrawing

3.  Basic

4.  acidic

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4
Correct Answer :

Electron withdrawing


Explanation :
No Explanation available for this question

XeF2 molecule is

1.  Trigonal planar

2.  Square planar

3.  Linear

4.  Pyramidal

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4
Correct Answer :

Linear


Explanation :
No Explanation available for this question

Replacement of H- atom of benzene ring by _____ atom is called halogenation of benzene

1.  Halogen

2.  nitrogen

3.  oxygen

4.  metal

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4
Correct Answer :

Halogen


Explanation :
No Explanation available for this question

Benzene when heated with a mixture of concentrated nitric acid and concentrated sulphuric acid at about 313 K to 333 K gives

1.  Nitrobenzene

2.  Toluene

3.   Ethyl benzene

4.  Acetophenone

View Answer  
4
Correct Answer :

Nitrobenzene


Explanation :
No Explanation available for this question
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