• # question_answer Which of the following act as nucleophiles [Roorkee 1999] A) $C{{H}_{3}}N{{H}_{2}}$ B) $R{{O}^{-}}$ C) $AlC{{l}_{3}}$ D) $C{{H}_{3}}MgBr$

$C{{H}_{3}}\overset{\cdot \ \cdot }{\mathop{N}}\,{{H}_{2}},\ R-\underset{\cdot \ \cdot }{\overset{\cdot \ \cdot \ }{\mathop{O}}}\,\,-,\ C{{H}_{3}}-Mg-\underset{\cdot \ \cdot }{\overset{\cdot \ \cdot }{\mathop{B}}}\,r:$ are nucleophiles due to presence of lone pairs.