Chemistry Worksheet (Oxidation)

NSM 1 2C P AL W orksheet

Redox R eactions

Name: _ _____________

1. Work w ith y our g roup t o f ill o ut t he f ollowing c hart a bout o xidation n umbers o f c ommon

species.

Species

General R ules ( list a ny e xceptions)

Pure e lements

Ions/Polyatomic i ons

Neutral c ompounds

F, C l, B r, I

2. What i s t he o xidation n umber o f s ulfur i n t he f ollowing c ompounds?

A) M gSO

B) S ulfurous a cid

3. What i s t he o xidation n umber f or e ach a tom i n a mmonium?

4. W hich e lement i s u ndergoing o xidation ( if a ny) i n t he f ollowing r eaction? W hich i s

undergoing r eduction ( if a ny)?

(g) + 2 O

(g) → C O

( g) + 2 H

O ( g)

5. D etermine t he r educing a gent i n t he f ollowing r eaction. I s t here a n o xidizing a gent? I f s o,

identify t he s pecies.

Zn(s) + 2 A gNO

(aq) → Z n(NO

)

(aq) + 2 A g ( s)

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