Question
Question: If the value of En = – 78.4 kcal/mole, the order of the orbit in hydrogen atom is :...
If the value of En = – 78.4 kcal/mole, the order of the orbit in hydrogen atom is :
A
4
B
3
C
2
D
1
Answer
2
Explanation
Solution
En = – 78.4 kcal/mole = – 78.4 × 4.2 = – 329.28 kJ/mole