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The structure shows:



(a) geometrical isomerism

(b) optical isomerism

(c) geometrical and optical isomerism

(d) Tautomerism

1 Answer

It has an asymmetric carbon $(C^*) $ so it will show optical isomerism .
It will not show geometric isomerism because the carbons along $C=C$ do not posses the same structural formula.
In it tautomerism is not possible because -co group is not present in it .
Hence b is the correct answer.
answered Feb 21, 2014 by meena.p

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