MCAT Question of the Day


  • Q:

    Methanethiol, CH3SH, has a pKa of 10.3 and methanol, CH3OH, has a pKa of 15.5. Which is a stronger acid? Which is a stronger base, CH3S- or CH3O-?

     

    A

    Methanethiol is the stronger acid, its conjugate base is the stronger base

    B

    Methanol is the stronger acid, its conjugate base is the stronger base

    C

    Methanethiol is the stronger acid, methanol's conjugate base is the stronger base

    D

    Methanol is the stronger acid, methanethiol's conjugate base is the stronger base



    Acid/Base Equilibria |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More