MCQ
Choose the correct product of this reaction


- A

- ✓

- C

- D







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$I. n = 4,l = 2,m_l = -2, m_s = -1/ 2$
$II. n = 3,l = 2, m_l = 1,m_s = +1/ 2$
$III. n = 4,l = 1, m_l = 0, m_s = +1/ 2$
$IV. n = 3,l = 1, m_l = 1; m_s = -1/ 2$
The correct order of their increasing energies will be
$\xrightarrow[\Delta ]{{{H^ \oplus }}}\,B$
The product $"B"$ is
