The pKa∘ of a weak acid, HA, is 4.80. The pKb∘, of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be

The pKa of a weak acid, HA, is 4.80. The pKb, of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be

  1. A

    9.22

  2. B

    9.58

  3. C

    4.79

  4. D

    7.01

    Register to Get Free Mock Test and Study Material



    +91



    Live ClassesRecorded ClassesTest SeriesSelf Learning

    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    For the salt formed from a weak acid and a weak base, the pH of the solution is given by pH=12pKw+pKapKb

    Hence, at 25 ° C, we will have pH=12(14+4.804.78)=7.01

    Chat on WhatsApp Call Infinity Learn

      Talk to our academic expert!



      +91



      Live ClassesRecorded ClassesTest SeriesSelf Learning

      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.