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Karnataka Board PUCPUC Science Class 11

Consider structures I to VII and answer the question: I. CH3 – CH2 – CH2 – CH2 – OH II. CHX3−CHX2−CH−CHX3.....|.......OH III. ...CHX3|CHX3−C−CHX3|..OH IV. CHX3−CH−CHX2−OH|........CHX3...... - Chemistry

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Question

Consider structures I to VII and answer the question:

I. CH3 – CH2 – CH2 – CH2 – OH
II. \[\begin{array}{cc}
\ce{CH3 - CH2 - CH - CH3}\\
\phantom{.....}|\\
\phantom{.......}\ce{OH}
\end{array}\]
III. \[\begin{array}{cc}
\phantom{...}\ce{CH3}\\
\phantom{}|\\
\ce{CH3 - C - CH3}\\
\phantom{}|\\
\phantom{..}\ce{OH}
\end{array}\]
IV. \[\begin{array}{cc}
\ce{CH3 - CH - CH2 - OH}\\
|\phantom{........}\\
\ce{CH3}\phantom{......}
\end{array}\]
V. CH3 – CH2 – O – CH2 – CH3
VI. CH3 – O – CH2 – CH2 – CH3
VII. \[\begin{array}{cc}
\ce{CH3 - O - CH - CH3}\\
\phantom{...}|\\
\phantom{......}\ce{CH3}
\end{array}\]

Identify the pairs of compounds that represents chain isomerism.

Short/Brief Note
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Solution

If two or more compounds have the same molecular formula but different carbon skeletons then these compounds are referred to as chain isomers and the phenomenon is termed as chain isomerism. The pairs of compounds that represent chain isomerism are- I, II, III, IV.

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Chapter 12: Organic Chemistry Some Basic Principles and Techniques - Multiple Choice Questions (Type - I) [Page 150]

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NCERT Exemplar Chemistry [English] Class 11
Chapter 12 Organic Chemistry Some Basic Principles and Techniques
Multiple Choice Questions (Type - I) | Q 26 | Page 150

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|\phantom{........}\\
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