Which of the following reactions is not likely to occur

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The metal ion which of the following complex has EAN identical to the atomic number of Krypton (atomic numbers of Cr=24,Fe=26,Pd=46,Cu=29)

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

90 grams of water and 230 grams of an organic liquid n mixing gives a solution in which the mole fraction of water in the resulting solution is 0.5 the molecular weight of the organic liquid is

1.  230

2.  90

3.  18

4.  46

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4
Correct Answer :

46


Explanation :
No Explanation available for this question

When a non-volatile solute is dissolved in water, the vapour pressure of solution at is90mm of Hg.The V.P of water at

1.  10

2.  1

3.  0.1

4.  0.01

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4
Correct Answer :

0.1


Explanation :
No Explanation available for this question

The ratio of radii of first orbits of H, He+ and Li+2 i

1.  1:2:3

2.  6:3:2

3.  1:1:1

4.  1:4:9

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4
Correct Answer :

6:3:2


Explanation :
No Explanation available for this question

The decomposition of N2O5 → NO2+NO3 proceeds as a first order reaction, with a half-life period of 30 seconds at a certain temperature.The rate constant of the reaction is

1.  12sec-1

2.  0.00924sec-1

3.  75sec-1

4.  0.0231sec-1

View Answer  
4
Correct Answer :

0.0231sec-1


Explanation :
No Explanation available for this question

Which of the following not obtained when methyl chloride and n-propyl chloride react with sodium in dry ether

1.  C2H6

2.  C3H8

3.  C4H10

4.  C6H14

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4
Correct Answer :

C3H8


Explanation :
No Explanation available for this question

C is in the reaction

1.  Propane

2.  Ethyl chloride

3.  Ethane

4.  Ethyl methyl ether

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4
Correct Answer :

Ethyl methyl ether


Explanation :
No Explanation available for this question

1.  1:1

2.  2:3

3.  4:5

4.  5:4

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4
Correct Answer :

4:5


Explanation :
No Explanation available for this question

The final product ‘C’ is

1.  CH3COCH3

2.  CH3-C≡CH

3.  CH3CHO

4.  C6H5-CH3

View Answer  
4
Correct Answer :

CH3-C≡CH


Explanation :
No Explanation available for this question
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