WBPSC 2017 Solved Paper

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Question : 32 of 200

Marks: +1, -0

Conversion of RBr to RMgBr requires

Mg / dry ether / N₂ - atmosphere.
Mg / moist ether / N₂ - atmosphere.
Mg / ethanol / N2 - atmosphere.
Mg / dry ether / O₂ - atmosphere

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