If \[\alpha \] is the degree of dissociation of \[N{{a}_{2}}S{{O}_{4}} – McqOptions

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1.	If \[\alpha \] is the degree of dissociation of \[N{{a}_{2}}S{{O}_{4}}\], the vant Hoff's factor (i) used for calculating the molecular mass is
A.	\[1+\alpha \]
B.	\[1-\alpha \]
C.	\[1+2\alpha \]
D.	\[1-2\alpha \]
Answer» D. \[1-2\alpha \]

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