Multiple Choice
Write a balanced chemical equation for the oxidation of Cd(s) by concentrated nitric acid,producing NO2(g) and Cd2+(aq) .
A) HNO3(aq) + Cd(s) Cd2+(aq) + NO2(g) + OH-(aq)
B) 2 HNO3(aq) + Cd(s) Cd2+(aq) + 2 NO2(g) + 2 OH-(aq)
C) HNO3(aq) + Cd(s) + H+(aq) Cd2+(aq) + NO2(g) + H2O( )
D) 4 HNO3(aq) + Cd(s) Cd2+(aq) + 2 NO2(g) + 2H2O( ) + 2 NO3-(aq)
E) HNO3(aq) + Cd(s) Cd2+(aq) + NO2(g)
Correct Answer:

Verified
Correct Answer:
Verified
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