Q.

Match the following:

Column – I

Column – II

A) Mole fraction1) Number of gram equivalents in 1000ml of solvent
B) Molarity2) Always less than one
C) Normality3) Greater than or equal to molarity
D) Molality4) Number of gram moles of solute present in 1000ml of solution
 5) Number of gram moles of solute present in 1Kg of solvent

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a

A-1,  B-2,  C-3,  D-4

b

A-2,  B-3,  C-1,  D-5

c

A-1,  B04,  C-2,  D-3

d

A-2,  B-4,  C-3,  D-5

answer is D.

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Detailed Solution

Mole fraction: In a solution, mole fraction of a component is always less than one.

Molarity: No. of gram moles of solute present in 1000 mL of solution.

Normality:  N=n×M

If n - 1, then N = M; If  n > 1, then N > M.

Molality: Number of gram moles of solute present in 1 kg of solvent.

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