ChemistryMedium113×since 2002Q2155The 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 isA8.51 × 10⁵ J mol^−1B6.56 × 10⁵ J mol^−1C7.56 × 10⁵ J mol^−1D9.84 × 10⁵ J mol^−1Check answerSkip