chemistry questions

 1
Why OH- has mobility 2.6   TIMES more than that of CL- ALTHOUGH both ions have almost equal mass ?

2
 Why  Mobility of H+ is around 3 times more than that of other cations ?

3
What do you mean by properties like fluorescence and phosphoresce ?

4
Why Na+ has more E° than K+  Rb+ and Cs+ on the other hand Li+ has least E° as compared to  Na+ , K+ , Rb+  and Cs+ ?

5
Why Li is most electro positive element  ?

6
In A first order reaction involving  only 1 reactant & 1 product WHY sum of CONCENTRATIONS  of reactant & product is always  constant ?

7
What would be expected activation energy for An endothermic reaction whether it would be

A positive
B negative
C 0
D can't say

 H2O at 100 C 1 ATM

What u expect ?

A

100 % H2O in vapor

Or

B
some liquid & some vapor

Similarly if water is kept at 100 C & 1 ATM

Choices like previous question   

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