Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Only principal quantum number determines the energy of an electron in an orbital in Na atom. Reason: For one electron system, the expression of energy is quite different as that obtained in Bohrs theory.A) If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
B) If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
C) If Assertion: is true but Reason: is false
D) If both Assertion: and Reason: are false
Correct Answer: D
Solution :
To find the energy of an electron in an orbital both principal and azimuthal quantum numbers are required. For one electron system, the expression of energy is same as that obtained in Bohrs theory.
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