isomerism

Correct statement for configurational Isomerism

• molecules with chiral centre(s)

• restricted rotation around double bond

• free rotation around sigma bond

• Both statement 1 and 3

A compound having stereogenic centres but optically inactive are _____ compound

Minimum number of stereogenic centres should be present to exhibit diastereomers

An aqueoues solution containing compounds A and B shows optical activity. A and B are stereoisomers. Which of the following possibilities cannot be correct?

• A has two centres, but B does not have any because it has symmetry in plane

• A and B are enantiomers

• A and B are distereomers

• A and B are not present in equal amounts

How many stereogenic centres does it contain?

• 1

• 2

• 3

• 4

Which of the following will not show optical isomerism as well as geometrical isomerism?

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which of the following is most stable?

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Which of the following is isomeric with methyl vinyl ether?

• propanal

• propenal

• ethyl methyl ether

• ether

Total number of conformation of ethane is

• 2

• 3

• 4

• infinite

Tautomerism is not exhibited by

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