Answer: Pi bond.
- A Sigma bond
- B Pi bond
- C Ionic bond
- D Hydrogen bond
Correct answer: B. Pi bond
Explanation: Pi bonds are formed by sideways overlap of p orbitals.
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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