1A) Assign an oxidation number to each atom in thereactants.
Na2S(aq)+NiCl2(aq)?2NaCl(aq)+NiS(s)

1B) Assign an oxidation number to each atom in theproducts.
Na2S(aq)+NiCl2(aq)?2NaCl(aq)+NiS(s)

1C) Is the following reaction is redox reaction?
Na2S(aq)+NiCl2(aq)?2NaCl(aq)+NiS(s)

(Yes or No)

1D) Assign an oxidation number to each atom in thereactants.
2Na(s)+2H2O(l)?2NaOH(aq)+H2(g)

1E) Assign an oxidation number to each atom in theproducts.
2Na(s)+2H2O(l)?2NaOH(aq)+H2(g)

1F) Is the following reaction is redox reaction?
2Na(s)+2H2O(l)?2NaOH(aq)+H2(g)

1G) Assign an oxidation number to each atom in thereactants.
C(s)+O2(g)?CO2(g)

1H) Assign an oxidation number to each atom in theproducts.
C(s)+O2(g)?CO2(g)

1I)Is the following reaction is redox reaction?
C(s)+O2(g)?CO2(g)

1J) Assign an oxidation number to each atom in thereactants.
CuO(s)+2HCl(aq)?CuCl2(aq)+H2O(l)

1K) Assign an oxidation number to each atom in theproducts.
CuO(s)+2HCl(aq)?CuCl2(aq)+H2O(l)

1L) Is the following reaction is redox reaction?
CuO(s)+2HCl(aq)?CuCl2(aq)+H2O(l)

1M) Assign an oxidation number to each atom in thereactants.
2MnO?4(aq)+5SO2(g)+2H2O(l)?2Mn2+(aq)+5SO2?4(aq)+4H+(aq)

Express your answers as a signed integers separated bycommas.

1N) Assign an oxidation number to each atom in theproducts.
2MnO?4(aq)+5SO2(g)+2H2O(l)?2Mn2+(aq)+5SO2?4(aq)+4H+(aq)

Express your answers as a signed integers separated bycommas.

1O)Is the following reaction is redox reaction?
2MnO?4(aq)+5SO2(g)+2H2O(l)?2Mn2+(aq)+5SO2?4(aq)+4H+(aq)

(Yes or no)

Answer rating: 100% (QA)

1A Assign an oxidation number to each atom in thereactants Na2SaqNiCl2aq2NaClaqNiSs ANS in Na2S Sodium have 1 oxiation state and Sulpher have 2 oxidation state and in NiCl2 Nickle have 2 oxidation sta... View the full answer