SATHEE: Atomic Structure Question 193

Atomic Structure Question 193

Question: The wave number of the first line of Balmer series of hydrogen is 15200 $c m^{- 1}$ . The wave number of the corresponding line of $L i^{2^{+}}$ ion is

Options:

A) $15200, c m^{- 1}$

B) $60800, c m^{- 1}$

C) $76000, c m^{- 1}$

D) $136800, c m^{- 1}$

Show Answer

Answer:

Correct Answer: D

Solution:

$\overset{―}{v} (L i^{2 +}) = z^{2} \times 15200 c m^{- 1}$

$= 3^{2} \times 15200 c m^{- 1}$

$= 9 \times 15200 c m^{- 1}$

$= 136800 c m^{- 1}$

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Atomic Structure Question 193

Question: The wave number of the first line of Balmer series of hydrogen is 15200 cm−1 . The wave number of the corresponding line of Li2+ ion is

Options:

Answer:

Solution:

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Question: The wave number of the first line of Balmer series of hydrogen is 15200 $c m^{- 1}$ . The wave number of the corresponding line of $L i^{2^{+}}$ ion is