Multiple choice

The ratio of the ionisation energy of 1st bohr's orbit of H atom and Be+3 is ?

  1. 1 / 16 .

  2. 1 / 4 .

  3. 1 / 9 .

  4. 1 / 25 .

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

this option is correct because , E1 / E2 = Z12 / Z22 x n22 / n12  . since n values is 1 in this question . and  Z1 = 1 ,  Z2 = 4 . E1 / E2 = 1 / 16 . hence this option is correct  .