SATHEE: Atomic Structure Question 496

Atomic Structure Question 496

Question: The following transition occurs when Lithium atoms are sprayed into hot flame. The various steps are numbered for identification.

$2 s \overset{I}{\to} 2 p \overset{I I}{\to} 3 d \overset{I I I}{\to} 3 p \overset{I V}{\to}$

$4 s \overset{V}{\to} 3 p$ Which of these transitions result in emission of light-

Options:

A) I, II & V

B) III & V

C) III, IV & V

D) All

Show Answer

Answer:

Correct Answer: B

Solution:

$2 s \overset{I}{\to} 2 p \overset{I I}{\to} 3 d \overset{I I I}{\to} 3 p \overset{I V}{\to} 4 s \overset{V}{\to} 3 p$ Energy of 3d is more than 3p therefore it will emit energy, similarly from $4 s \to 3 p$ transition.

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Atomic Structure Question 496

Question: The following transition occurs when Lithium atoms are sprayed into hot flame. The various steps are numbered for identification.

Options:

Answer:

Solution:

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