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

Chemistry
JAMB 1988
When H2S gas is passed into a solution of iron (III) chloride, the colour changes from yellow to green. This is because?
  • 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
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Correct Answer: Option D
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free