Ionization enthalpy of gaseous Na atom is 495.5 kJ/mol. The lowest possible frequency of light that ionizes a sodium atom is (1) 1.24 x 10^15 s-1 (2) 3.15 x 10^15 s-1 (3) 4.76 x 10^15 s-1 (4) 7.50 x 10^15 s-1

Open in App

Solution

Suggest Corrections

Similar questions

N a

495.5

^{- 1}

[h = 6.626 \times 10^{- 34} J s, N_{A} = 6.022 \times 10^{23} m o l^{- 1}]

The frequency of radiation emitted when the electron falls from n = 4 to n = 1 in a hydrogen atom will be

(Given ionization energy of $H = 2.18 \times 10^{- 18} J a t o m^{- 1}$ and $h = 6.625 \times 10^{- 34} J s$ )

It takes 495.8 kJ/mol of energy to ionize sodium. What frequency (s^-1) and wavelength (nm) of light would be required to ionize sodium?

6.63 \times 10^{- 34} J s .

3 \times 10^{8} m / s .

2.5 \times 10^{7} m^{- 1}

Join BYJU'S Learning Program