MDCAT Chemistry MCQ #708

When ethyl magnesium bromide is treated with water, an alkane is formed. What is the molar mass of this specific alkane product?

MDCAT Chemistry MCQ #708

  1. Question 1

    Q1. When ethyl magnesium bromide is treated with water, an alkane is formed. What is the molar mass of this specific alkane product?

    • A) 16 g/mol
    • B) 44 g/mol
    • C) 28 g/mol
    • D) 30 g/mol

    Answer: 30 g/mol

    Explanation: Ethyl Grignard plus water yields ethane (C2H6), which has a molar mass of 30g/mol. Option A is the mass of methane.