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Mobile App Chapter 4: Problem 82
Assign oxidation numbers to all the atoms in each of the following. a. \(\mathrm{SrCr}_{2} \mathrm{O}_{7}\) b. \(\mathrm{CuCl}_{2}\) c. \(\mathrm{O}_{2}\) d. \(\mathrm{H}_{2} \mathrm{O}_{2}\) e. \(\mathrm{MgCO}_{3}\) f. \(\mathrm{Ag}\) g. \(\mathrm{PbSO}_{3}\) h. \(\mathrm{PbO}_{2}\) i. \(\mathrm{Na}_{2} \mathrm{C}_{2} \mathrm{O}_{4}\) j. \(\mathrm{CO}_{2}\) k. \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{Ce}\left(\mathrm{SO}_{4}\right)_{3}\) l. \(\mathrm{Cr}_{2} \mathrm{O}_{3}\)
Short Answer
Expert verified
The oxidation numbers for the given compounds are:
a. SrCr₂O₇: Sr(+2), Cr(+6), O(-2)
b. CuCl₂: Cu(+2), Cl(-1)
c. O₂: O(0)
d. H₂O₂: H(+1), O(-1)
e. MgCO₃: Mg(+2), C(+4), O(-2)
f. Ag: Ag(0)
g. PbSO₃: Pb(+2), S(+4), O(-2)
h. PbO₂: Pb(+4), O(-2)
i. Na₂C₂O₄: Na(+1), C(+3), O(-2)
j. CO₂: C(+4), O(-2)
k. (NH₄)₂Ce(SO₄)₃: N(-3), H(+1), Ce(+3), S(+6), O(-2)
l. Cr₂O₃: Cr(+3), O(-2)
Step by step solution
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