CBSE Class 12 · 2002 · Foreign · General Organic ChemistryVery Short Answer

Write one example each of (i) a nucleophile (ii) an electrophile.

Answer: (i) Nucleophile: OH⁻ (or NH₃, CN⁻). (ii) Electrophile: NO₂⁺ (or H⁺, BF₃).

Solution

(i) A nucleophile donates an electron pair: OH

^{-}

, CN

^{-}

, NH

_{3}

.
(ii) An electrophile accepts an electron pair: H

^{+}

, NO

_{2}^{+}

, BF

_{3}

, AlCl

_{3}

CBSE Class 12 Board · 2002 · Foreign · Subjective