The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is
(a) chromatography
(b) crystallisation
(c) steam distillation
(d) sublimation.
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The IUPAC name of the compound is ________. (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal
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