Stereochemistry Isomer Quiz

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Questions and Answers

What is the defining characteristic of positional isomers?

They have different molecular formulas and different positions of a substituent on the chain
They have the same molecular formula and the same position of a substituent on the chain
They have the same molecular formula but differ in the position of a substituent on the chain (correct)
They have different molecular formulas but the same position of a substituent on the chain

What distinguishes functional isomers from other isomers?

They have the same molecular formula but belong to different classes of organic compounds (correct)
They have different molecular formulas and belong to different classes of organic compounds
They have different molecular formulas but belong to the same class of organic compounds
They have the same molecular formula and belong to the same class of organic compounds

What is the main difference between chain isomerism and positional isomerism?

Chain isomerism involves different arrangements of the skeletal chain of carbon atoms, while positional isomerism involves different positions of substituents on the chain (correct)
Chain isomerism involves different positions of substituents on the chain, while positional isomerism involves different arrangements of the skeletal chain of carbon atoms
Chain isomerism involves the same molecular formula, while positional isomerism involves different molecular formulas
Chain isomerism involves different molecular formulas, while positional isomerism involves the same molecular formula

In tautomerism, what is the characteristic feature of the compounds involved?

<p>They exist as a mixture of two or more structural isomers (A)</p> Signup and view all the answers

What distinguishes functional isomerism from tautomerism?

<p>Functional isomers belong to different classes of organic compounds, while tautomers exist as a mixture of two or more structural isomers (B)</p> Signup and view all the answers

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