Home
Class 12
CHEMISTRY
If alpha is the degree of dissociation o...

If `alpha` is the degree of dissociation of `na_(2)SO_(4)` the vant of Hoff's factor (i) used for calculating the molecular mass is-

A

`1-alpha`

B

`1+alpha`

C

`1-2alpha`

D

`1+2alpha`

Text Solution

Verified by Experts

The correct Answer is:
D
`i=1 - prop +3 prop = 1+2 prop`
Promotional Banner

Similar Questions

Explore conceptually related problems

The degree of dissociation (alpha) of a weak electrolyte, A_(x)B_(y) is related to van't Hoff's factor (i) by the expression:

In which of the following the vant Hoff factor (i) is equal to one:

Write value of i for K_(2)SO_(4) .

A molecule M associates in a given solvent according to the equation M hArr (M)_(n) . For a certain concentration of M, the van't Hoff factor was found to be 0.9 and the fraction of asscoiated molecules was 0.2 . The value of n is:

75ml of gas A effuses through a pin hole in 73 seconds. The same volume of SO_2 under identical conditions effuses in 75 seconds. Calculate the molecular mass of A.