abrahamsaucedo abrahamsaucedo
  • 04-06-2019
  • Chemistry
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Which reactions are oxidation-reduction reactions? Check all that apply

Which reactions are oxidationreduction reactions Check all that apply class=

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InesWalston
InesWalston InesWalston
  • 15-06-2019

Answer: options C and D

Explanation: in Redox reaction (oxidation-reduction), oxidation numbers of Reactant and product are different.

In oxidation, oxidation state increases and decreases in the case of Reduction.

In C, oxidation state of C is increased from +3 in C3H6 to +4 in CO2 hence oxidation and oxidation of O2 Decreased from 0 to -2 in H2O, hence Reduction. So it is a redox reaction

Similarly in D, Fe: +3 to 0

Carbon : +2 to +4.

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