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Chemistry
List of top Chemistry Questions
In the case of polyfunctional compounds, the choice of principal functional group is made on the basis of order of preference. The order of decreasing priority for some functional groups is
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Nitroalkanes and alkyl nitrites exhibit functional isomerism. Compounds having same molecular formula but different functional groups are called functional isomers.
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Paper chromatography is a type of partition chromatography. Moving phase is liquid and stationary phase is solid.
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
When inductive and electromeric effects operate in opposite directions, the inductive effect predominates. Inductive effect is the complete transfer of shared pair of
$\pi$
electrons to one of the atoms.
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Bond length of ethane (I), ethene (II), acetylene (III) and benzene (IV) follows the order
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Carbanion is iso-structural with
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Dehydration of ethyl alcohol proceeds via
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Distillation under reduced pressure is employed for
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with asterisk is most electronegative?
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Electrophilic reagents are
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Heterolysis of carbon-chlorine bond produces
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Heterolytic fission of a covalent bond in organic molecules gives
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Hyperconjugation effect is also called
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In Carius method of estimation of halogen,
$0.15\, g$
of an organic compound gave
$0.12\, g$
of
$AgBr$
. What is the percentage of bromine in the compound?
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In column chromatography the moving phase is constituted of
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In Kjeldahl?? method of estimation of nitrogen, nitrogen is quantitatively converted to ammonium sulphate. It is then treated with standard solution of alkali. The nitrogen which is present is estimated as
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In Lassaigne's test, the organic compound is fused with a piece of sodium metal in order to
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In Pinacol-pinacolone rearrangement the reactive species undergoing rearrangement is
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
In the mechanism of Hoffmann, reaction which intermediate rearranges to alkyl isocyanate ?
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
IUPAC name of 3-isopropyl-o-xylene is
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
IUPAC name of
$CH_2=CH-CN$
is
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
IUPAC name of the following compound is
$(CH_2 = CH)_2CH-CH = CH_2$
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
IUPAC nomenclature of the given organic compound
$(CH_3)_2C(CH_2CH_3)CH_2CH(Cl)CH_3$
will be
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Kjeldahl's method cannot be used for the estimation of nitrogen in
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Lassaigne?? test for the detection of nitrogen fails in
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
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