SATHEE: Solutions Question 58

Solutions Question 58

Question: $K_{f}$ of 1,4-dioxane is 4.9 $m o l^{- 1}$ for 1000 g. The depression in freezing point for a 0.001 m solution in dioxane is [DPMT 2001]

Options:

A) 0.0049

B) 4.9 + 0.001

C) 4.9

D) 0.49

Show Answer

Answer:

Correct Answer: A

Solution:

$Δ T = K_{f} \times M o l a l i t y$

$= 4.9 \times 0.001 = 0.0049 K$

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Solutions Question 58

Question: Kf of 1,4-dioxane is 4.9 mol−1 for 1000 g. The depression in freezing point for a 0.001 m solution in dioxane is [DPMT 2001]

Options:

Answer:

Solution:

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Question: $K_{f}$ of 1,4-dioxane is 4.9 $m o l^{- 1}$ for 1000 g. The depression in freezing point for a 0.001 m solution in dioxane is [DPMT 2001]