Ionisation energy of potassium is $425 k J m o l^{- 1}$ . The minimum frequency of a photon that can effect the ionisation is

Question

A. $96.5 \times 10^{15} s e c^{- 1}$

B. $1.065 \times 10^{14} s e c^{- 1}$

C. $1.065 \times 10^{12} s e c^{- 1}$

D. $1.065 \times 10^{15} s e c^{- 1}$

Share this question with your friends

Comment

Accepted Answer

D.

1.065 \times 10^{15} s e c^{- 1}

Ionisation energy of potassium is 425 kJ mol-1. The minimum frequency of a photon that can effect the ionisation is