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ORGANIC CHEMISTRY BASIC PRINCIPLES ANS TEHNIQUES
PLEASE ATTEMPT ALL THE QUESTIONS
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class and section
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The most suitable technique for separation of 1:1mixture of o-notrophenol and p-nitrophenol
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1 point
sublimation
chromatography
steam distillation
crystallisation
How many chain isomers are possible for the alkane with molecu;ar formula C6H14?
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1 point
Five
Six
seven
four
The correct statements regarding electrophile is
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It is a negatively chargrd speciesand form bond by accepting electrons from a nucleophile.
It is a negatively charged species and form bond by accepting elecrons from another electrophile.
It isgenerally a neutral species taht can form by accepting elecrons frm nucleophile.
It is either a positively charged species aor neutral molecule which can form bond by accepting electrons from a nuleophile
The principle involved in paper chromatography is
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1 point
Adsorption chromatography
Partition chromatography
Solubility
Boiling point
Kjeldahl method for estimation of nitrogen can not be used for compounds containing nitrogen
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In the ring
bonded to oxygen
both in the ring and bonded to oxygen
none of these
Which of the following is an alicyclic compound?
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1 point
Hexane
Cyclobutanol
Pyran
1,3 Butadiene
Geometry of the compound having sp3 hybrid carbon is
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trigonal planar
linear
tetrahedral
none of these
Which of the following statement is not correct about inductive effet
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It involves displaement of sigma electrons
it decreases along the length of carbon chain
It arises due to electronegativity difference
It is a temporary effect
The functional group present in benzophenone is
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1 point
phenyl
alcoholic
aldehyde
ketone
Acetone and acetaldehyde are
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1 point
position isomers
chain isomers
Metamers
functional isomers
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