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Byju's Answer
Standard XII
Chemistry
Factors Affected by Hydrogen Bonding
if boiling po...
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if boiling point difference is high between 2 comp. then which distillation we use ? ex.phenol & acetone.
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Q.
Assertion:
A mixture of acetone and methanol can be separated by fractional distillation
Reason:
The difference between their boiling point is very less
Q.
Assertion :Benzene (boiling point
353
K
) and methanol (boiling point
338
K
) are separated by simple distillation. Reason: Fractional distillation is used to separate two liquids from their mixture when their boiling points differ by
25
K
or less.
Q.
Assertion :Glycerol is purified by distillation under reduced pressure. Reason: Method of distillation under reduced pressure is used to purify liquids having very high boiling points and those, which decompose at or below their boiling point.
Q.
Which type of mixtures are separated using distillation method? If the difference in boiling points of constituents is less than
25
K
then which method will you adopt? Give an example where this method is used for separation.
Q.
Simple distillation can be used to separate liquid which differs in their boiling points at least by:
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