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The most suitable method of separation of a mixture of ortho and para nitrophenol in the ratio 1 : 1 is
A. |
distillation |
B. |
crystallisation |
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C. |
vaporisation |
D. |
colour spectrum |
Ortho-nitrophenol has lower boiling point (due to intramolecular H-bonding), than para-nitrophenol.