ABC26IN1148 · Coordination Chemistry
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Charge Transfer Spectra · Exam: NET JUNE 2021 · Marks: 2 · Difficulty: Medium
For the ligand-to-metal charge-transfer (LMCT) transitions in the oxo-anions given below, the wavelength of the transitions are in the order
(a)$\mathrm{VO}_{4}^{3-}<\mathrm{CrO}_{4}^{2-}<\mathrm{MnO}_{4}^{-}$and $\mathrm{WO}_{4}^{2-}<\mathrm{MoO}_{4}^{2-}<\mathrm{CrO}_{4}^{2-}$
(b)$\mathrm{VO}_{4}^{3-}<\mathrm{CrO}_{4}^{2-}<\mathrm{MnO}_{4}^{-}$and $\mathrm{WO}_{4}^{2-}>\mathrm{MoO}_{4}^{2-}>\mathrm{CrO}_{4}^{2-}$
(c)$\mathrm{VO}_{4}^{3-}>\mathrm{CrO}_{4}^{2-}>\mathrm{MnO}_{4}^{-}$and $\mathrm{WO}_{4}^{2-}<\mathrm{MoO}_{4}^{2-}<\mathrm{CrO}_{4}^{2-}$
(d)$\mathrm{VO}_{4}^{3-}>\mathrm{CrO}_{4}^{2-}>\mathrm{MnO}_{4}^{-}$and $\mathrm{WO}_{4}^{2-}>\mathrm{MoO}_{4}^{2-}>\mathrm{CrO}_{4}^{2-}$
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