4.84 Give the oxidation number of carbon in each of the following: a CF,Cl, 4.85 Give the oxidation number of bromine in each of the following: (a) KBr (b) Na,C,O4 (c) HCO, (d) C,H6 (b) BrF3 (c) HBRO3 (d) CBr4

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question 84 and 85 please
NH3(aq) + HCl(aq)·
NH,CI(aq)
4.80 Explain why an oxidizing agent undergoes reduction.
4.81 Why must every redox reaction involve an oxidizing agent
and a reducing agent?
4.82 In which of the following equations does sulfuric acid act as
an oxidizing agent? In which does it act as an acid? Explain.
(a) 4H*(aq) + SO? (aq) + 2NaI(s)
anced
2Na*(aq) + I(s) + SO2(g) + 2H2O(1)
t dis-
ionic
(b) BaF2(s) + 2H*(aq) + SO (aq) → 2HF(aq) + BaSO4(s)
4.83 Identify the oxidizing agent and the reducing agent in the
following reaction, and explain your answer:
ually
8NH3(g) + 6NO2(8)→ 7N2(g) + 12H20(I)
>
ieous
Skill-Building Exercises (grouped in similar pairs)
4.84 Give the oxidation number of carbon in each of the following:
a CF,Cl,
4.85 Give the oxidation number of bromine in each of the following:
(a) KBr
=qua-
e re-
(b) Na,C2O4
(c) HCO,
(d) C,H6
react
(b) BrF3
(c) HBRO3
(d) CB14
1)
mL
4.86 Give the oxidation number of nitrogen in each of the following:
(a) NH,OH
4.87 Give the oxidation number of sulfur in each of the following:
(a) SOCI2
(b) N,F4
(c) NH
(d) HNO,
(b) H2S2
(c) H2SO3
(d) NazS
4.88 Give the oxidation number of arsenic in each of the following:
(a) ASH3
mL
on?
(b) H2ASO,
(c) AsCl3
4.89 Give the oxidation number of phosphorus in each of the
following:
(a) H,P,O?-
mL
(b) PH
(c) PCI5
4.90 Give the oxidation number of manganese in each of the
following:
(a) MnO
4.91 Give the oxidation number of chromium in each of the
following:
rom
I be
(b) Mn„O3
(c) KMNO4
ons
plu-
02-
(o) Cr. (SO)
Transcribed Image Text:NH3(aq) + HCl(aq)· NH,CI(aq) 4.80 Explain why an oxidizing agent undergoes reduction. 4.81 Why must every redox reaction involve an oxidizing agent and a reducing agent? 4.82 In which of the following equations does sulfuric acid act as an oxidizing agent? In which does it act as an acid? Explain. (a) 4H*(aq) + SO? (aq) + 2NaI(s) anced 2Na*(aq) + I(s) + SO2(g) + 2H2O(1) t dis- ionic (b) BaF2(s) + 2H*(aq) + SO (aq) → 2HF(aq) + BaSO4(s) 4.83 Identify the oxidizing agent and the reducing agent in the following reaction, and explain your answer: ually 8NH3(g) + 6NO2(8)→ 7N2(g) + 12H20(I) > ieous Skill-Building Exercises (grouped in similar pairs) 4.84 Give the oxidation number of carbon in each of the following: a CF,Cl, 4.85 Give the oxidation number of bromine in each of the following: (a) KBr =qua- e re- (b) Na,C2O4 (c) HCO, (d) C,H6 react (b) BrF3 (c) HBRO3 (d) CB14 1) mL 4.86 Give the oxidation number of nitrogen in each of the following: (a) NH,OH 4.87 Give the oxidation number of sulfur in each of the following: (a) SOCI2 (b) N,F4 (c) NH (d) HNO, (b) H2S2 (c) H2SO3 (d) NazS 4.88 Give the oxidation number of arsenic in each of the following: (a) ASH3 mL on? (b) H2ASO, (c) AsCl3 4.89 Give the oxidation number of phosphorus in each of the following: (a) H,P,O?- mL (b) PH (c) PCI5 4.90 Give the oxidation number of manganese in each of the following: (a) MnO 4.91 Give the oxidation number of chromium in each of the following: rom I be (b) Mn„O3 (c) KMNO4 ons plu- 02- (o) Cr. (SO)
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