Hoff’s factor (i) accounts for the………

1 )  Hoff’s factor (i) accounts for the………

A ) Extent of dissociation of solute ,          b ) Extent of dissociation of solvent ,

C ) Both ,                                          c ) None of these ,

Correct answer : - A ) Extent of dissociation of solute ,

 

2 )  A reaction involving two different reactants can never be a……….. reaction.

A ) Uni molecular ,                                       b ) Bi molecular ,

C ) Both ,                                          c ) None of these ,

Correct answer : -  A ) Uni molecular ,    

 

3 )  Effect of catalyst is only to………… of reaction, it doesn’t effect the Equilibrium constant and concentration of reactants and products.

A ) Alter the speed ,                                    b ) increase product capacity ,

C ) Both ,                                          c ) None of these ,

Correct answer : - A ) Alter the speed , 

 

4 )  Magnitude of repulsion:-

Correct answer : - ( Lone pair - Lone pair > Lone pair -  Bond pair > Bond pair – Bond pair ) .

 

5 )   Alkene’s undergoes addition reactions , because they have …………… (Double bound) and we add hydrogen to make it ……………

A )  Alkane .                                               b ) Alkene ,

C ) Both ,                                          c ) None of these ,

Correct answer : - A )  Alkane . 

 

6 )  The force of repulsion between charges would be minimum in …………….

A ) Distilled water .                                     b ) concentraded water .

C ) Both ,                                          c ) None of these ,

Correct answer : - A ) Distilled water .    

 

7 )  Ether is …………..

A ) Lewis base .                                           b ) Lewis acid .

C ) Both ,                                          c ) None of these ,

Correct answer : - A ) Lewis base .   

8 )  For exothermic reaction to be spontaneous , temperature should be  ..................... ,

A ) Low ,                                           B ) High ,

C ) Not effected by temperature ,               D ) None of these ,

Correct Answer : -  A ) Low ,

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