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Question
why is crystallisation technique better than evaporation method?
why is crystallisation technique better than evaporation method?
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Solution
Crystallisation technique for purification is better than evaporation because...
- Extent of purification in case of crystallisation technique is very high.
- It does not require very high temperature conditions, there is no need to boil the solvent.
- The technique does not require complex apparatus setup for performing the purification.
- If the compound is soluble in one solvent & less soluble or insoluble in other solvent, crystallisation can be done by mixing of the two solvents only.
Crystallisation technique for purification is better than evaporation because...
- Extent of purification in case of crystallisation technique is very high.
- It does not require very high temperature conditions, there is no need to boil the solvent.
- The technique does not require complex apparatus setup for performing the purification.
- If the compound is soluble in one solvent & less soluble or insoluble in other solvent, crystallisation can be done by mixing of the two solvents only.
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