Which of the following compounds will exhibit geometrical isomerism?

1-phenyl-2-butene

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3-phenyl-1--butene

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2-phenyl-1-butene

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1,1-diphenyl-1-propene

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Solution

The correct option is A 1-phenyl-2-butene
Geometrical isomerism in 1-phenyl-2-butene.

However, the geometrical isomerism is not possible for 3-phenyl-1-butene, 2-phenyl-1-butene and 1,1-diphenyl-1-propane.

Hence, option A is correct.

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Similar questions

\begin{matrix} a. & Addition of benzyl Grignard reagent to acetaldehyde (ethanal), followed by hydrolysis. b. & Addition of phenyl lithium to propylene oxide (methyloxirane), followed by hydrolysis. c. & Addition of phenyl Grignard reagent to acetone (2- propanone) followed by hydrolysis. d. & Acid- catalysed hydration (addition of water to) of 2-Phenyl-1- propene. e. & Addition of methyl Grignard reagent to acetophenone (methyl phenyl ketone), followed by hydrolysis. f. & Addition of methyl Grignard reagent to phenylacetaldehyde, followed by hydrolysis. \end{matrix}

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