MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryAlkyl and Aryl HalidesSingle Choice Questions
Consider the following groups (I) — OCOCH3 (II) — OCH3 (III) — OSO2CH3 (IV) — OSO2CF3 The decreasing order of their leaving ability is
A.I > II > III > IV
B.IV > III > I > II✓ Correct
C.III> II > I > IV
D.II > III > IV > I
Explanation
leaving ability 1 Basicstrength delocalisation of -ve charge stability of anion Nucleophilicity and its variation ALKYL AND ARYL HALIDES 22
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