If $α$ 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:

1 + α

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 - α

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 + 2 α

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

1 - 2 α

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $1 + 2 α$
For ${N a}_{2} {S O}_{4} : - i = n$
${N a}_{2} {S O}_{4} ⟶ {2 N a}^{+} + {S O}_{4}^{2 -}     $
$n = 2$
$i = 1 - α + n α$
$i = 1 - α + 2 α$
$i = 1 + 2 α$

Suggest Corrections

Similar questions

If is the degree of dissociation of , the Vant Hoff's factor (i) used for calculating the molecular mass is

α

N a_{2} S O_{4}

α

N a_{2} S O_{4}

(i)

If is the degree of dissociation of , the Vant Hoff's factor (i) used for calculating the molecular mass is

If α is the degree of dissociation of Na₂SO₄, the van't Hoff factor ,i , used for calculating the molecular mass is

Join BYJU'S Learning Program