SATHEE: Atoms And Nuclei Question 314

Atoms And Nuclei Question 314

Question: One of the lines in the emission spectrum of $L i^{2 +}$ has the same wavelength as that of the Ist line of Lyman series in hydrogen spectrum. The electronic transition corresponding to this line is $n = 6 \to 3 = x$ Find the value of x.

Options:

A) 8

B) 3

C) 7

D) 5

Show Answer

Answer:

Correct Answer: B

Solution:

For Ist line of Lyman series in hydrogen spectrum $\frac{1}{λ} = R (1) (\frac{1}{1^{2}} - \frac{1}{2^{2}}) = \frac{3}{4} R$ For $L i^{+} [\frac{1}{λ} = R \times 9 (\frac{1}{3^{2}} - \frac{1}{6^{2}}) = \frac{3 R}{4}]$ Which is satisfied by $n = 6 \to n = 3.$

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Atoms And Nuclei Question 314

Question: One of the lines in the emission spectrum of Li2+ has the same wavelength as that of the Ist line of Lyman series in hydrogen spectrum. The electronic transition corresponding to this line is n=6→3=x Find the value of x.

Options:

Answer:

Solution:

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Question: One of the lines in the emission spectrum of $L i^{2 +}$ has the same wavelength as that of the Ist line of Lyman series in hydrogen spectrum. The electronic transition corresponding to this line is $n = 6 \to 3 = x$ Find the value of x.