homework of chemistry

CHM 1040 Homework # 10 Due on 12/07/2016 in class

Name_______________________________ Section_____

PLEASE STAPLE additional sheets (if any) together: NO STAPLE = LOOSE 1 POINT

1. Find the oxidation number for: [6 x 1 pt. each = 6 pts. total]

P atom in H3PO2

P atom in H3PO3

P atom in PO42-

S atom in H2SO4

S atom in SO32-

Cr atom in K2Cr2O7

2. Balance the following redox reactions (the elements undergoing a change in the oxidation number

are in bold + italics): [2 x 2 pts. each = 4 pts. total]

0 7+ 4+ 2+

C + KMnO4 + H2SO4  CO2 + K2SO4 + MnSO4 + H2O

4+ 0 0 1+

TiCl4 + Na  Ti + NaCl

2. For each reaction above, identify the oxidizing reagent and the reducing agent [2 x 1 pts. each = 2

pts. total]

Reaction 1: C is ______________ and KMnO4 is ______________

Reaction 2: TiCl4 is ______________ and Na is ______________