array l (I) (II) (III) array Among these, positional isomers are

Chemistry · JEE Main · NTA ExamsSome Basic Principles of Organic Chemistry

\[\begin{array}{l} \text { (I) }\\ \text { (II) }\\ \text { (III) } \end{array}\]
Among these, positional isomers are
  1. I and II
  2. I and III
  3. II and III
  4. all of these

Answer

(D) all of these

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