Name the compound which shows geometric isomerism:
Correct answer: D. Both A and B
- A. 1-Bromo-2-chloropropene
- B. 2-Pentene
- C. 2.3-Dimethylpropene
- D. Both A and B
Explanation
Option D is correct because both options A and B are correct. 1-Bromo-2-chloropropene (CH3 CCl=CH2Br) exhibits geometric isomerism due to the presence of a carbon-carbon double bond and two different atoms (bromine and chlorine) attached to the adjacent carbon atoms. 2-Pentene (CH3 CH=CHCH2 CH3 ) exhibits geometric isomerism due to the presence of a carbon-carbon double bond. Geometric isomerism, also known as cis-trans isomerism, occurs in compounds with restricted rotation around a double bond.
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Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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