Question

The ionization enthalpy of hydrogen atom is 1.312 × 10⁶Jmol^–1. The energy required to excite the electron in the atom from n = 1 to n = 2 is

(a) 9.84 × 10⁵Jmol^–1

(b) 8.51 × 10⁵Jmol^–1

(c) 6.56 × 10⁵Jmol^–1

(d) 7.56 × 10⁵Jmol–1

Answer 1

(a) : The ionization of H-atom is the energy absorbed when the electron in an atom gets excited from