Question

Which of the following chemical reactions is an oxidation-reduction reaction? (2 points)


NO + 2H2yields NH3 + H2O

NaNO3 + LiF yields LiNO3 + NaF

CaSO4 + 2KBr yields K2SO4 + CaBr2

AgNO3 + 2HCl yields AgCl + 2HNO3

Answer 1

Answer:

first one

Explanation:

NO ..oxidisation number is +2 and it is reduced to -3 in NH3

H2 oxidisation number is 0 and its oxidized to +1 in H2O