Question

Solve the following problems: 79. Assign oxidation states for all atoms in each of the following compounds. a. KMnO f. Fe,o b. NIO g. XeOF. c. Na Fe(OH) h. SF. d. (NH) HPO4 i. CO e. P.O. j. CH206

Chemistry 101

Answer 1

9 KMnOy K* MnOy K = +1 Mn Oy x +(2x4) +1 =0 X - +7 Mn +7 2 be NiO₂ x + ( 2X2) -0 21= +41 Ni = ty 10 = -2 c) Na y Fe (OH), Nat (recom).Jº Na - = + 1 X-6 = -4 x = +23) Fe = +2 JOH :-) (NH4), HP Oy (NH4)+ HPO 2- N=X > x +4 = +) H-+) X=-3

2- HPO4 +1 + x2 + (2 X+4) = -2 Itx-= -2 H=75 Ongen (0 = -2 P = +5 Py Of 4XX - 2x6 = 0 4x = 12 x=+3 → P= t3 Oxygen = -2 e fez ou 301 - 4x2 = 0 32 = 8 Ie=8 x=8/3 2 fe atoms have an onidation state of +3 One of fe atoms has= +2 Xe Ofy x-2-4 = 0 24 = + 6X = +6 -2 f =-

h) SF 21 -4 -0 [h=4 S=+y TF 2.co C=+2 0 -2 12 Ç Hizoo 68 +12 - 2x6 = 0 6x=0 [x = 0 [c=of zero H = +) 0 -2 o is Orygen atom where ever denoted CS Scanned with CamScannen
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