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JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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Total number of spectral lines in UV region, during transition from

5^{\text {th }}

excited state to

1^{\text {st }}

excited state

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Correct option: D

Zero

Option D (1) is correct because the percentage of ionization is calculated using the formula

\alpha = \sqrt{\frac{K_a}{C}} \times 100

.

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