Q50 · CSIR-NET Chemistry, December 2016

Paper: CSIR-NET December 2016 · Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Term Symbols Spectra · Marks: 2 · Difficulty: Medium

The spectroscopic ground state term symbols for the octahedral aqua complexes of $\mathrm{Mn}(\mathrm{II})$, Cr(III) and Cu(II), respectively, are

(a)$^{2}H$, $^{4}F$ and $^{2}D$

(b)$^{6}S$, $^{4}F$ and $^{2}D$

(c)$^{2}H$, $^{2}H$ and $^{2}D$

(d)$^{6}S$, $^{4}F$ and $^{2}P$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

Mn(II) d⁵: ⁶S; Cr(III) d³: ⁴F; Cu(II) d⁹: ²D.

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