Question

Identify the compound that would have the highest osmotic pressure when dissolved in water. nacl k2so4 mgcl2 fecl3 mgso4

Answer 1

The compound that would have the highest osmotic pressure when dissolved in water is $FeCl_{3}$ .

So,  option D is correct one.

The dissociation of one molecule of  $FeCl_{3}$ gives the maximum number of ions when dissolved in water ( 4 ions ) . Osmotic pressure is a colligative property and depends upon number of solute particles present in the solution . The solution having maximum number of solute particles will have maximum number of the osmotic pressure .

All other given molecules gives less number of number of ions when dissolved in water as compare to of  $FeCl_{3}$ .

To learn more about osmotic pressure

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