MDCAT Chemistry MCQ #717

To prepare a Grignard reagent from 1 mole of bromobenzene, how many grams of magnesium metal must be consumed?

MDCAT Chemistry MCQ #717

  1. Question 1

    Q1. To prepare a Grignard reagent from 1 mole of bromobenzene, how many grams of magnesium metal must be consumed?

    • A) 12.15 g
    • B) 24.30 g
    • C) 48.60 g
    • D) 60.00 g

    Answer: 24.30 g

    Explanation: One mole of RX requires one mole of Mg (24.3g) to form Grignard. Option D is the mass of two moles of Magnesium.