The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is (a) chromatography (c) steam distillation (b) crystallisation (d) sublimation. G
The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is (a) chromatography (c) steam distillation (b) crystallisation (d) sublimation. G
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter17: Aldehydes And Ketones
Section: Chapter Questions
Problem 17.26P: 17-26 Account for the fact that acetone has a higher boiling point (56°C) than ethyl methyl ether...
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Transcribed Image Text: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.
The IUPAC name of the compound
H
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
The correct statement regarding electrophile is
(a) electrophile is a negatively charged species
and can form a bond by accepting a pair of
electrons from another electrophile
(b) electrophiles are generally neutral species
and can form a bond by accepting a pair of
electrons from a nucleophile
(c) electrophile can be either neutral or
positively charged species and can form a
bond by accepting a pair of electrons from
a nucleophile
(d) electrophile is a negatively charged species
and can form a bond by accepting a pair of
electrons from a nucleophile.
Which among the given molecules can exhibit
tautomerism?
DE
Do
Ph
Ph
I
II
III
(a) III only
1000 (b) Both I and III
(d) Both II and III
(c) Both I and II
Which of the following biphenyls is optically
active?
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