Science Quiz / Redox Reactions

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Can you describe the Redox Reactions?

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Score 0/23 Timer 10:00
HintAnswer
What is the colour of Fe2+ ions?
What is the colour of Fe3+ ions?
What is the equation for Fe2+ and Fe3+?
What is the colour of MnO4- ions?
What is the colour of Mn2+ ions?
What is the equation between MnO4- and Mn2+?
What ions oxidise Fe2+ ions?
What is the colour of I2 in solution?
What is the equation for 2I- and I2?
What ions reduce Fe3+ ions?
What is the equation for H2O2?
What colour is the Cr3+ ion (in precipitate)?
HintAnswer
What colour is the CrO4- ion?
What colour is the Cr2O72- ion?
What is the equation between CrO4- and Cr2O72-?
What oxidises Cr3+ to CrO4- ions?
What is the equation between Cr2O72- ions and Cr3+?
What reduces Cr2O72- to Cr3+?
What colour is Cu2+ ions?
What colour is CuI precipitate?
What reduces Cu2+ to CuI?
What is the equation between Cu2+ and CuI?
What is the equation between Cu2+ and Cu+?

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