The rate constant at 250C for the reaction of NH4+ and OH- to form NH4OH is 4 × 1010 M-1 sec-1 and ionization constant of aq. NH3 is 1.8 × 10-5. The rate constant of proton transfer to NH3 is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

1.8 × 10-5

7.2 × 105

3.6 × 105

4.2 × 10-5

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

NH4+ + OH-→K1 NH4OH; k1 = 4 × 1010 NH4OH ⇌KbKf NH4+ + OH- keq =KfKb1.8× 10-5 = kf4× 1010 ⇒ kf = 7.2× 105

Watch 3-min video & get full concept clarity