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🧪 Chemistry  ·  Organic Chemistry: Basic Principles and Techniques  ·  NEET & JEE

Which species acts as an electron pair donor?

Answer: Nucleophile.

  • A Electrophile
  • B Nucleophile
  • C Free radical
  • D Carbocation

Correct answer: B. Nucleophile

Explanation: Nucleophiles donate electron pairs to electron deficient species.

cis isomerClHClHsame side(Cl groups together)trans isomerClHHClopposite sides(Cl groups apart)

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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