1.xpress variation in conductivity and molar conductivity of strong and weak electrolyte with dilution????????

2.y do some times we get abnormal molar mass of solute using coligative method..

3.define vent hoff factor for a) K4FeCN6 b) benzoic acid in benzene(if it dymerises)...

4.y do soln deviate frm ideal behaviour.

5.on mixing cyclohexane with ethanol what type of behaviour is expected and y?

6.electrolysis of aq.NACL gives h2 at cathode  y ?

7. will the value of colligative property be the same in

a)1mol urea         b)1 mol sugar

a)1mol sugar      b)1mol NaCl.........

1. conductivity or molar con. of a strong electrolyte is not affected by dilution b'coz at any concentration strong electrolytes r completely ionised. however when conc increases or dilution decreases in case of strong electrolyte conc of ions also increases n so it lowers d conductivity by a small amount due to interionic attraction. but in case of weak electrolyte conductivity depends on degree of dissociation(alpha). value of alpha increases wid increase in dilution. so conductivity increases wid increases in dilution.

2.sometimes we get abnormal molar mass while using colligative property b'coz of interionic attraction. when solutes r mixed wid solvent they get dissociated, but some of d ions still remain in d form of molecule due 2 strong interionic attraction.

3. solutoins donot behave ideally due to containing voletile or non voletile impurities, abnormal value of colligative property as mentioned above etc.    

        it will be better if u go thru d defects of colligative properties 4 dis ans.