Question Detail

CHM 102 Isolation and Purification of Organic Compounds Objective Question
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Question

The separation of a mixture of two immiscible liquids can also be achieved by simple decantation. When is decantation preferred over using a separatory funnel?
Options
A When the two layers have similar densities
B When a large volume of liquid is present and a separatory funnel is not available
Correct Answer
C When one layer is very small
D When both liquids are water-soluble
Correct Answer

Option B is the correct answer.

Detailed Explanation

Decantation is simple pouring off the top layer. It is less precise than using a separatory funnel but useful when a separatory funnel is unavailable or when large volumes are handled.

Hint

Pouring off the upper layer carefully.

Question Info

Course: CHM 102
Topic: Isolation and Purification of Organic Compounds
Type: Objective
Difficulty: Not specified
Question 542 of 1999
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