alleryDepression of freezing point (ΔT_f) is given by:
AΔT_f = 1000 × m
BΔT_f = K_f × m
CΔT_f = K_b × m
DΔT_f = K_f / m
Answer & Solution
Correct answer: B. ΔT_f = K_f × m
**ΔT_f = K_f × m**.
K_f is the cryoscopic constant (molal freezing-point depression constant)
for water K_f = 1.86 K kg mol⁻¹.
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