Which of the following is a colligative property?

Q.

Relative lowering of vapour pressure is a colligative property because _____________.

Q. Assertion :Relative lowering of vapour pressure is equal to the mole fraction of the solvent
Reason: Relative lowering of vapour pressure is a colligative property

Q. Assertion :Lowering of vapour pressure is not dependent on the number of species present in the solution. Reason: Lowering of vapour pressure and relative lowering of vapour pressure are colligative properties.

Q. Relative lowering of vapour pressure is a colligative property.