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MCQs

1. Elevation in boiling point is represented by:
A. ΔT_f = K_fm
B. ΔT_b = K_bm
C. π
D. P °

2. The formula relating elevation in boiling point with molality is:
A. ΔT_b = i · K_b · m
B. ΔT_f = iK_f m
C. π = iCRT
D. PV = nRT

3. Molality (m) is defined as:
A. Moles of solute per litre of solution
B. Moles of solute per kg of solvent
C. Mass of solute per litre
D. Mass of solvent per mole

5. Elevation in boiling point depends on:
A. Nature of solute
B. Number of solute particles
C. Colour of solution
D. Shape of molecules

6. Which constant is used in boiling point elevation?
A. K_f
B. K_b
C. R
D. i

7. The unit of molality is:
A. mol L^-1
B. mol kg^-1
C. g L^-1
D. atm

9. If solute is non-electrolyte, value of i is:
A. 0
B. 1
C. 2
D. 3

10. Elevation in boiling point is maximum for:
A. Glucose
B. Urea
C. NaCl
D. Benzene