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Chemistry, 29.12.2020 01:20 allanarayos5597
Which of the following answer correctly identifies the reduction-oxidation reaction below and gives the correct reasoning?
*The choices are shown in image
Answer choices-
a )Reaction I. The oxidation state of Na(s) and Cl2(g) both change.
b) Reaction II. The Co2+ in Co(NO3)2 (aq) changes from aqueous to solid in CoI2 (s).
c) Reaction III. The C in NaHCO3 (s) changes to a gas in CO2 (g).
d) Reaction IV. The sodium is changing state.
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