SATHEE: Atomic Structure Question 182

Atomic Structure Question 182

Question: Which statement is true-

Options:

A) Spacing between energy levels n =1 and n = 2 in hydrogen atom is greater than that of n=2 and n = 3

B) Spacing between energy levels n = 1 and n = 2 in hydrogen atom is equal to that n = 2 and n = 3

C) Spacing between energy levels n = 1 and n =3 in hydrogen atom is less than that of n=2 and n = 3

D) None

Show Answer

Answer:

Correct Answer: A

Solution:

$E_{n} = - \frac{13.6 Z^{2}}{n^{2}} e V$

$Δ E_{1} \to 2 = - \frac{13.6}{2^{2}} + \frac{13.6}{1^{2}} = 10.2 e V$

$Δ E_{2} \to 3 = - \frac{13.6}{3^{2}} + \frac{13.6}{2^{2}} = 1.9 e V$

$∴$ on moving from lower value of n to higher value of energy difference between successive energy levels decreases.

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Atomic Structure Question 182

Question: Which statement is true-

Options:

Answer:

Solution:

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