2. Indicate whether the following balanced equations involve oxidation-reduction. If they do, identify the elements that undergo changes in oxidation number (a) PB13 ) + 3 H2O () → H3PO3 (ag) +3 HBr@g) (b) Nal (aa) + 3 HOCI ag) → NaIO3(ag) + 3 HCl (ag) (c) 3 SO2 (2) + 2 HNO3(@9) + 2 H2O () → 3 H2SO4aq) + 2 NO (2) (d) 2 AGNO3(aa) + CoCl2(a@) + → 2 AgCl (6) + Co(NO:)2 (aa) + 000 oC titenium tetue hlouid fomn c lid tite

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Chapter1: Chemical Foundations
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2. Indicate whether the following balanced equations involve oxidation-reduction. If they do, identify the
elements that undergo changes in oxidation number
(a) PB13 ) + 3 H2O () → H3PO3 (ag) + 3 HBr@g)
(b) Nal (aa)
+ 3 HOCI99) –→ NaIO3(ag) + 3 HCl (99)
(c) 3 SO2 (2 + 2 HNO3(aq) + 2 H2O () → 3 H2SO4aq) + 2 NO (2)
(d) 2 AgNO3(q) + CoCl2(a@) + → 2 AgCl (6) + Co(NO3)2 (aa)
+ 000 oG
titeniuma totue
hlouid
fomm c
lid tite
Transcribed Image Text:2. Indicate whether the following balanced equations involve oxidation-reduction. If they do, identify the elements that undergo changes in oxidation number (a) PB13 ) + 3 H2O () → H3PO3 (ag) + 3 HBr@g) (b) Nal (aa) + 3 HOCI99) –→ NaIO3(ag) + 3 HCl (99) (c) 3 SO2 (2 + 2 HNO3(aq) + 2 H2O () → 3 H2SO4aq) + 2 NO (2) (d) 2 AgNO3(q) + CoCl2(a@) + → 2 AgCl (6) + Co(NO3)2 (aa) + 000 oG titeniuma totue hlouid fomm c lid tite
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