Assertion (A) : A spectral line will be seen for `2p_(x)`-`2p_(y)` transition
Reason (R ) : Energy is raleased in the form of wave of light when the electron drops from `2p_(x)` , to `2p_(y)` orbital.

Options

A. If both the assertion and reason are true statement and reason is correct explanation of the assertion .
B. If both the assertion and reason are true statement but reason is not a correct explanation of the assertion .
C. If the assertion is true but the reason is a false statement.
D. If both assertion and reason are false statements.

Explanation

To solve the given assertion and reason question, we will analyze both the assertion and the reason step by step.

### Step 1: Analyze the Assertion
**Assertion (A)**: A spectral line will be seen for `2p_(x)`-`2p_(y)` transition.

- The `2p` orbitals consist of three degenerate orbitals: `2p_(x)`, `2p_(y)`, and `2p_(z)`.
- Degenerate orbitals have the same energy level.
- A transition between `2p_(x)` and `2p_(y)` involves an electron moving between two orbitals that are at the same energy level.
- Since there is no change in energy during this transition, no photon (light) is emitted.

**Conclusion for Assertion**: The assertion is **false**.

### Step 2: Analyze the Reason
**Reason (R)**: Energy is released in the form of a wave of light when the electron drops from `2p_(x)` to `2p_(y)` orbital.

- As stated earlier, for an electron to emit energy in the form of light (a photon), there must be a change in energy.
- Since `2p_(x)` and `2p_(y)` are degenerate orbitals, there is no energy difference between them.
- Therefore, no energy is released as light during this transition.

**Conclusion for Reason**: The reason is also **false**.

### Final Conclusion
Both the assertion and the reason are false. Therefore, the correct answer is option D: Both assertion and reason are false.

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