Answer: Free radical.
- A Carbocation
- B Carbanion
- C Free radical
- D Electrophile
Correct answer: C. Free radical
Explanation: Free radicals contain one unpaired electron.
Geometric (cis-trans) isomers of 1,2-dichloroethene differ only in the relative arrangement of groups across the rigid C=C double bond.
Concept context
General Organic Chemistry covers the rules behind all organic reactions. Covers inductive effect, resonance, hyperconjugation, types of reactions (substitution, addition, elimination), and isomerism including optical and geometric forms.
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