What is the change in oxidation state of the metal when magnesium reacts with an alkyl bromide to give an alkylmagnesium bromide (Grignard reagent)?
A)0 $\rarr$ +1
B)0 $\rarr$ +2
C)0 $\rarr$ -1
D)0 $\rarr$ -2

Question

Quizplus · Accepted Answer

When magnesium reacts with an alkyl bromide to form an alkylmagnesium bromide (Grignard reagent), the magnesium undergoes a change in oxidation state from 0 to +2. Therefore, the correct choice is B, where the change in oxidation state is +2.

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