JEE Advanced 2019 Chemistry question

Chemistry Structure of Atom JEE Advanced 2019

The ground state energy of hydrogen atom is −13.6 eV. Consider an electronic state of whose energy, azimuthal quantum number and magnetic quantum number are −3.4 eV, 2 and 0, respectively. Which of the following statement(s) is(are) true for the state ?

(A)It is a stateCorrect
(B)It has 2 angular nodesCorrect
(C)It has 3 radial nodes
(D)The nuclear charge experienced by the electron in this state is less than , where is the magnitude of the electronic charge

Answer: (A),(B)

Solution

For , ; with it is a state: (A) true. Angular nodes : (B) true. Radial nodes

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Question ID VK-026937