Question:
The ionization enthalpy of a hydrogen atom is 1.312 × 106
J mol-1
. The energy to excite the
electron from n = 1 to n = 2 is –
Answer:
Hi,
Energy of electron in first orbit
E1 = −1312 kJ/mol
Energy of electron in second orbit
E2 = −131222
E2 = −328 kJ/mol
Energy required to excite a hydrogen electron from n=1 to n=2
E2 − E1 = −328−(−1312)
∆E = 984 kJ/mol
Thanks for asking
Good day :)
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