The ionization enthalpy of hydrogen atom is 1.312 × 106 J mol−1. The energy required to excite the electron in the atom from n = 1 to n = 2 is

Question

The ionization enthalpy of hydrogen atom is 1.312 × 10⁶ J mol⁻¹. The energy required to excite the electron in the atom from n = 1 to n = 2 is

8.51 × 10⁵ J mol⁻¹

6.56 × 10⁵ J mol⁻¹

7.56 × 10⁵ J mol⁻¹

9.84 × 10⁵ J mol⁻¹

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