MDCAT Chemistry MCQ #648

An unknown Grignard reagent R-Mg-Br reacts with formaldehyde (HCHO) to yield a primary alcohol after hydrolysis. If R is an ethyl group, name the product.

MDCAT Chemistry MCQ #648

  1. Question 1

    Q1. An unknown Grignard reagent R-Mg-Br reacts with formaldehyde (HCHO) to yield a primary alcohol after hydrolysis. If R is an ethyl group, name the product.

    • A) Ethanol
    • B) 1-Propanol
    • C) 2-Propanol
    • D) Propanal

    Answer: 1-Propanol

    Explanation: Grignard reagents react with formaldehyde to produce primary alcohols; secondary alcohols are wrong because they require higher aldehydes like ethanal.