When H2S gas is passed into a solution of iron (III) chloride, the colour changes from yellow to green. This is because? - SchoolNGR

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When H2S gas is passed into a solution of iron (III) chloride, the colour changes from ...

When H₂S gas is passed into a solution of iron (III) chloride, the colour changes from yellow to green. This is because?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A H_(s)S is reduced to S
B Fe³⁺ ions are oxidized by H_(s)S
C Fe³⁺ ions are oxidized Fe³⁺ ions
D Fe³⁺ ions are reduced to Fe²⁺ ions

Correct Answer: Option D

Explanation:

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