The diagram shows the polythionate O₃S−S−S−S−S−SO₃²⁻ with two terminal formal S=O bonds and one S−O⁻ at each end. Also consider dichromate and an ideal octahedral tris-chelate of achiral symmetrical AA ligands. Select correct statements.

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Six oxygens contribute −12, so sulfur sums to +10. The displayed chain has SIX sulfur atoms: two terminal +5 and FOUR internal zero. All four statements hold. The metal d⁰ count does not exclude ligand-to-metal charge transfer, and Δ/Λ are stereoisomers of one geometry.

Chemistry - Coordination Chemistry Question with Solution | TestHub

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