1.

Which of the following statement(s) is/are true about the following compounds?

Answer»

(I) and (III) are identical
(I) and (III) are geometrical diastereomers
(I) and (II) are STRUCTURAL isomers.
(II) and (III) structural isomers.

Solution :I and II have different positions of `PI`-bond, these are POSITIONAL isomers. Similarly II and III are also positional isomers.
I and III are geometrical isomers.


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