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Identify the correct statements
A) Energy of electron in ground state of Hydrogen atom is -2.18 x 10⁻¹⁸J
B) Radius of second stationary state of Li²⁺ ion is $\frac{52.9 (3^{2})}{2}$ pm
C) Velocity of electron in one electron species increases with increase in positive charge on the nucleus and decreases with increase in principal quantum number

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A and C only

A, B and C

B and C only

A and B only

answer is A.

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Detailed Solution

$r_{n} ({Li}^{2 +}) = \frac{52.9 (2^{2})}{3} pm$

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