Let the oxidation number of N in NO3− be x. The oxidation state of oxygen is -2. Since the atom as whole is single negatively charged, following equation holds true:
x+3×(−2)=−1⟹x−6=−1⟹x=+6−1⟹x=5
Rituraj Tiwari
Last Activity: 4 Years ago
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.