Chemistry, asked by CopyThat, 7 days ago

The oxidation number of arsenic atom in H_3AsO_4 is :

Answers

Answered by Anonymous

Answer:

Explanation:

Let the oxidation number of As in H3AsO4 be x. The oxidation states of H and O are +1 and −2 respectively. Since the atom as whole is neutral, following equation holds true:

3×(+1)+1×(x)+4×(−2)=0⟹3+x−8=0⟹x=8−3⟹x=5

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