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JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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Application +4 | -1

Ratio of the radius of first orbit of

\mathrm{Li}^{2+}

to the third orbit of

\mathrm{He}^{+}

ions will be

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Correct option: D

2: 27

Option D (2:27) is correct because it is calculated by using the formula for the radius of Bohr orbits and taking the ratio.

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