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5. In oxymercuration/demercuration a water molecule is added across a C=C with M

ID: 935334 • Letter: 5

Question

5. In oxymercuration/demercuration a water molecule is added across a C=C with Markovnikov regiochemistry. Which statement is correct about the attack that occurs with the mercurinium ion (the three-membered ring that contains the positively charged mercury ion)? A. The nucleophile performs backside attack at the most substituted side of the three membered ring B. The nucleophile performs front side attack at the most substituted side of the three membered ring C. The nucleophile performs backside attack at the least substituted side of the three membered ring D. The nucleophile performs front side attack at the least substituted side of the three membered ring

Explanation / Answer

The answer-

B. The nucleophile performs frontside attack at the most substituted side of the three - membered ring.