Explain ,why an organic liquid vapourises at a temperature below its boiling point in steam distillation?
Explain ,why an organic liquid vapourises at a temperature below its boiling point in steam distillation?
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Because for boiling to occur vapour pressure of organic compound & steam should be equal to atmospheric pressure. As vapour pressure of water is higher than organic liquid. Therefore, organic liquid vaporizes at a temperature below its boiling point in steam distillation.
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