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Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Geometrical Isomerism#Isomerism
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Consider these statements about geometrical isomerism: I. Rotation about a C=C bond is restricted. II. Each double-bonded carbon must have two different substituents. III. Both substituents on each double-bonded carbon must be identical. IV. Geometrical isomers have the same connectivity but different spatial arrangements. Which combination contains only correct statements?

Verified Answer & Explanation⌄

Correct Answer: B) I, II and IV only

Concept Explanation

Restricted rotation about C=C and two different groups on each double-bonded carbon allow geometrical isomerism. The isomers have the same connectivity but different spatial arrangements.

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