1.  

2.  H3BO3

3.  B2H6/ NaOH-H2O2

4.  H2SO4/H2O

4
Correct Answer :

B2H6/ NaOH-H2O2


Explanation :
No Explanation available for this question

1.  alkene

2.  amine

3.  ketone

4.  alkane

4
Correct Answer :

ketone


Explanation :
No Explanation available for this question

1.  two acids

2.  two aldehydes

3.  one molecule of alcohol and another of carboxylic acid

4.  two alcohols

4
Correct Answer :

two alcohols


Explanation :
No Explanation available for this question

1.  Thyroxine

2.  Oxypurin

3.  Insulin

4.  Progesterone

4
Correct Answer :

Thyroxine


Explanation :
No Explanation available for this question

1.  Adenine and thymine; guanine and cytosine

2.  Adenine and thymine; guanine and uracil

3.  Adenine and guanine, thymine and cytosine

4.  Uracil and adenine; cytosine and guanine

4
Correct Answer :

Adenine and thymine; guanine and cytosine


Explanation :
No Explanation available for this question

1.  phenoxide ion is bulkier than ethoxide

2.  phenoxide ion is stronger base than ethoxide

3.  phenoxide ion is stabilized through delocalization

4.  phenoxide ion is less stable than ethoxide

4
Correct Answer :

phenoxide ion is stabilized through delocalization


Explanation :
No Explanation available for this question

1.  produce colour during reactions

2.  reduce the use and production of hazardous chemicals

3.  are related to the depletion of ozone layer

4.  study the reactions in plants

4
Correct Answer :

reduce the use and production of hazardous chemicals


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  R — CH = N — NH2

2.  R — C ≡ N

3.  

4.  R — CH = NH

4
Correct Answer :

R — CH = N — NH2


Explanation :
No Explanation available for this question

1.  sodium ethoxide

2.  ethyl chloride

3.  dry HCl — C2H5OH

4.  ethanol

4
Correct Answer :

dry HCl — C2H5OH


Explanation :
No Explanation available for this question

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