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18. Identify the oxidation numbers of the atoms in the following polyatomic ions or compounds: ·...
What is the sum of the oxidation numbers of the atoms in each of the following polyatomic ions? 1st attempt Part 1 (1 point) OH- Choose one: +1 Oo 0 -1 Part 2 (1 point) NH4 Choose one: +1 oo O-1 Part 3 (1 point) SO42- Choose one: O +2 Oo 0 -2 Part 4 (1 point) PO43- Choose one: ООО
Assign oxidation numbers to each of the atoms in the following compounds: HNO3: H = N = O = Cr2O72-: Cr = O =
Calculate the oxidation numer (oxidation state) of the atoms in these compunds (polyatomic ions): 1. AlCl3 2. KVO3 3. N2O5 4. H2PO^-4 5. KMnO4 6. MgMnO4
Oxidation Numbers 1. Assign oxidation numbers to the atoms in each of the following. a) SO2 d) Mgl b) HCIO e) CaH c) Cr,0,2 f) Fe, 2. For each of the following: •assign oxidation numbers •indicate whether the equation represents a redox reaction .if redox, identify OA and RA a) Cu + 2 AgNO, 2 Ag + Cu(NO3)2 b) Pb(NO3)2 + 2 KI Pbl, + 2 KNO, c) Cl2 + 2 KI I2 + 2 KCI d) 2 NaCl 2...
Determine the oxidation number of the following elements or underlined elements in compounds and polyatomic ions. Enter the sign and the number, for example '+1' or '-1'. CO2 H3O1+ MnO41- S2O82-
1&2 1) Identify the oxidation state of each element in the following. (a) Na2SO4 (b) MnO4 (c) KClO3 (d) CH OH 2) Identify the oxidation state of nitrogen in each of the following (a) NO:- (b) NO2 (c) NO2 (d) HNO2 (e) NO (1) N20 (g) N2 (h) NH2OH () N2H4
Please show work and choose correct answer 4. Assign oxidation numbers to the sulfur in each of the polyatomic ions below. Which of the following ions WILL react with acidified KMnO4 (a strong oxidizing agent) such that the purple MnO4 is reduced to almost colorless Mn+2? 2- B. C. D. E. 02- Both A and B None of the above.
Balancing Oxidation–Reduction Reactions (Section)Complete and balance the following equations, and identify the oxidizing and reducing agents:(a) Cr2O72-(aq) + I-(aq)→Cr3+(aq) + IO3-(aq) (acidic solution)(b) MnO4-(aq) + CH3OH(aq) →Mn2+(aq) +HCO2H(aq) (acidic solution)(c) I2(s) + OCl-(aq)→IO3-(aq) + Cl-(aq) (acidic solution)(d) As2O3(s) + NO3-(aq)→H3AsO4(aq) + N2O3(aq) (acidic solution)(e) MnO4-(aq) + Br-(aq)→MnO2(s) + BrO3-(aq) (basic solution)(f) Pb(OH)42-(aq) + ClO-(aq)→PbO2(s) + Cl-(aq) (basic solution)
Formal Oxidation Numbers Assign formal oxidation numbers to the specified atoms in the following compounds, according to convention. The O atom in Na2SO4 The P atom in Na3PO4 The S atom in Na2SO4 The H atom in NH3 1pts Tries 0/5 The O atom in H2SO3 The N atom in NO The P atom in H2PO3- The O atom in CuSO4
(2) Find the oxidation numbers of the bold-labelled atoms in the following species: (a) CrF4 (b) UO3 (c) HReO4 (d) FeO42- (e) BrO3- (f) PH4+ (3) Suppose you have a 2.30 M solution of rubidium hydroxide and you are asked to make up 500.0 mL of 5.00 x 10-3M rubidium hydroxide. How much of the stock solution do you need? (4) How many grams of sodium formate (NaCHO2) do you need to make 250.0mL of 7.50 x 10-3M solution? (5)...