Question Detail

CHM 102 Isolation and Purification of Organic Compounds Objective Question
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Question

In recrystallization, a suitable solvent should have which property?
Options
A Compound is soluble in cold but insoluble in hot
B Compound is soluble in hot and insoluble in cold
Correct Answer
C Compound is equally soluble at all temperatures
D Compound decomposes in the solvent
Correct Answer

Option B is the correct answer.

Detailed Explanation

For recrystallization, the compound should be very soluble in the hot solvent but sparingly soluble in the cold solvent. This allows the compound to crystallize out upon cooling.

Hint

Benzoic acid is soluble in hot water but sparingly soluble in cold water.

Question Info

Course: CHM 102
Topic: Isolation and Purification of Organic Compounds
Type: Objective
Difficulty: Not specified
Question 508 of 1999
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