Calculate
the
Oxidation number of oxygen
w in H₂O₂, CO₂, co
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●Molecular formula of hydrogen peroxide is H2O2.
●The oxidation number of H is +1, but it is -1 in when combined with less electronegative elements.
●Since oxygen is more electronegative than hydrogen, therefore oxidation no. of hydrogen in H2O2 will be +1.
Let the oxidation no. of oxygen in H2O2 be x.
As we know that, the sum of the oxidation numbers of all the atoms in a neutral compound is 0.
∴(x×2)+((+1)×2)=0
⇒2x+2=0
⇒x=−1
✿ Hence, the oxidation no. of oxygen in hydrogen peroxide is -1 ✿.
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