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lowering of vapour pressure of equimolar solution of glucose,sodium chloride and barium nitrate are in the order


Surendra 7th Dec, 2019
Answer (1)
Pratham Meghani 7th Dec, 2019
Dear Aspirant,

Vant Hoff factor =i
For Barium nitrate,i=3,
2Ba+ No3-

For Nacl,i=2Na+ Cl-
i=2 vant Hoff factor

For glucose vant Hoff factor will be 1
I=1

So higher the vant Hoff factor higher will be the loweirng of vapour pressure.
So barium nitrate will have highest lowering in vapour pressure

Order will be barium nitrate>Nacl>glucose

Thanks
All the very best.
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