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Which of the following statements is/are true for He⁺ ion with respective Bohr’s atomic model?

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Potential energy of electron in third excited state is 9 times of potential energy electron when in 9^th excited state.

The direction of angular momentum of electron in its lowest possible energy state is perpendicular to that of second orbit.

Orbital angular momentum of electron in ground state is zero.

Ionisation energy of He⁺ is more than that of hydrogen atom.

answer is B.

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Detailed Solution

Second direction of angular momentum is not given by Bohr’s theory.

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