Q25 / 90 · JEE Main 2019 (12 Apr Shift 2) · Chemistry

Among the following, the energy of $2 s$ orbital is lowest in:

Correct answer
A
$K$
B
$H$
C
$N a$
D
$L i$

Solution

Potassium will have the least energy in its 2s orbital. This is due to the fact that the 2s orbital is closest to the nucleus in potassium because of its greater nuclear charge.

Hence, the correct answer is option: 'A'.

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Among the following, the energy of 2s orbital is lowest in:

Solution

Relevant Questions

Among the following, the energy of $2 s$ orbital is lowest in: