MCQ
The ionisation enthalpy of hydrogen atom is $\ce{1.312 \times 10^6J mol^{-1}}$. The energy required to excite the electron in the atoms from $n = 1$ to $\ce{n_2 = 2}$ is :
- A$ 6.56 \times 10^5 \mathrm{~J} \mathrm{~mol}^{-1} $
- ✓$9.84 \times 10^5 \mathrm{~J} \mathrm{~mol}^{-1} $
- C$ 7.56 \times 10^5 \mathrm{~J} \mathrm{~mol}^{-1} $
- D$ 8.51 \times 10^5 \mathrm{~J} \mathrm{~mol}^{-1}$