Question

Which of the following equations (not balanced) represents an oxidation-reduction process? a. AgNO3 + NaCl =...

Which of the following equations (not balanced) represents an oxidation-reduction process?

a. AgNO3 + NaCl = AgCl + NaNO3

b. C + O2 = CO2

c. C2H4 + O2 = CO2 + H2O

d. more than one response is correct

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Answer #1

a. AgNO3 + NaCl = AgCl + NaNO3
oxidation state of Ag and Na on both side is +1
oxidation state of Cl and NO3 is -1
so no oxidation or reduction


b. C + O2 = CO2
oxidation state of C changes from 0 to +4
oxidation state of O changes from 0 to -2
So, it represents an oxidation-reduction process

c. C2H4 + O2 = CO2 + H2O
oxidation state of C changes from +2 to +4
oxidation state of O changes from 0 to -2
So, it represents an oxidation-reduction process

Answer:
d. more than one response is correct

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