EASY
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Allene contains:
(a)one triple and two double bonds
(b)
two double and four single bonds
(c)two triple and one double bond
(d)one double and one triple bond

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
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IMPORTANT
What is the IUPAC nomenclature of isoprene monomers present in natural rubber?

EASY
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What is the nomenclature of vanillin used as a flavouring agent in ice-cream?

HARD
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IMPORTANT
Compounds and in the following reaction are

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Which among the following conformations is the most stable for cyclohexane?

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The number of stereoisomers that can exist for -chlorobutan--ol is

MEDIUM
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IMPORTANT
Identify the optically active cyclohexane from the given options.

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There are four conformational isomers of -butane:
Eclipsed, Fully eclipsed, Gauche, Staggered
Arrange these isomers of -butane in increasing order of energy.

EASY
JKCET
IMPORTANT
The order of stability of the following alkenes with the first being the most stable and last being the least stable is
(i)
(ii)
(iii)
(iv)
