Please answer all parts and explain thank you! What is the oxidation number of t

Question

Please answer all parts and explain thank you!

What is the oxidation number of the monoatomic ions of the following elements?

Sr, F, Po, Al, K, I, As, S, Cs, Rb, Ba

Rank from highest to lowest oxidation state:

NH3, N2, NO2-, NO2, NO3- , NO

Rewrite this unbalanced half-reaction I??IO3? such that it is balanced with respect to mass and charge. Do not include phases in your answer. Express your answer as a chemical equation. Use the symbol e- for an electron.

Rewrite this unbalanced half-reaction Cl2?Cl? such that it is balanced with respect to mass and charge. Do not include phases in your answer. Express your answer as a chemical equation. Use the symbol e- for an electron.

G https: sess on master ngchemistry.com m .ct/ t A eChegg Study MasteringChemistry: Chapt , x MasteringChemistry: Course H... | Guided Solution... Blackboard Learn File Edit View Favorites Tools Help 23 e Local Food In Northern Illi. Old Fashioned Coconut C. Q Biotest #4 flashcards Qui. Chem 100 Fall 2015 Chapter 15 Homework Core Chemistry Skill: Assigning Oxidation Numbers Q Search chapter 8 test che e Chemistry is EASY! Howd. Page. Safety. Tools E- Help | Close Resources previous 3 of 8 next» Determine the oxidation number of all the elements in the balanced redox reaction shown below Drag each label to the appropriate target. 5NO2 6H2MnO4 50 4 +4 +6 10096 10:45 AM 12/11/2015

Explanation / Answer

NO2-

N + 2*(-2) = -2

N = -2 +4 = +2

O = -2

------

H+ = 1

H = 1

----

MnO4-

O = -2 always

Mn + 4(-2) = -1

Mn = -1+4 = +3

-----

NO3-

O = -2 always

N + 3(-2) = -1

N = 6-1 = +5

----

Mn+2 = 2

Mn = +2

----

H2O

O = -2 always

2h -2 = 0

H = +1

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