KVPY2012Chemistrys Block Elements
A plot of the kinetic energy (1 / 2 m v² ) of ejected electrons as a function of the frequency (v) of incident radiation for four alkali metals (M₁, M₂, M₃, M₄ ) is shown below. The alkali metals M ₁, M ₂, M ₃ and M ₄ are, respectively -
Options
- ALi , Na , K , and Rb
- BRb , K , Na , and Li
- CNa , K , Li , and Rb
- DRb , Li , Na , and K
Correct answer
B. Rb , K , Na , and Li
Step-by-step solution
Rb , K , Na , Li I . P