4.49 Determine the oxidation numbers of all the elements in each of the following compounds. (Hint: Look at the ions pres- ent.) (a) Mn(CIO3)2 (c) HgCr,O, (b) Fe (CrO4)3 (d) Co,(PO,)2

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4.49
### Oxidation Numbers

#### 4.45 Obtain the oxidation number for the element noted in each of the following:
(a) Ga in Ga₂O₃  
(b) Pb in PbO₂  
(c) Br in KBrO₄  
(d) Mn in K₂MnO₄  

#### 4.47 Obtain the oxidation number for the element noted in each of the following:
(a) N in NH₂⁻  
(b) I in IO₃⁻  
(c) Al in Al(OH)₄⁻  
(d) P in H₂PO₄⁻  

#### 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. *Hint: Look at the ions present*.
(a) Mn(ClO₃)₂  
(b) Fe₂(CrO₄)₃  
(c) HgCr₂O₇  
(d) Co₃(PO₄)₂
Transcribed Image Text:### Oxidation Numbers #### 4.45 Obtain the oxidation number for the element noted in each of the following: (a) Ga in Ga₂O₃ (b) Pb in PbO₂ (c) Br in KBrO₄ (d) Mn in K₂MnO₄ #### 4.47 Obtain the oxidation number for the element noted in each of the following: (a) N in NH₂⁻ (b) I in IO₃⁻ (c) Al in Al(OH)₄⁻ (d) P in H₂PO₄⁻ #### 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. *Hint: Look at the ions present*. (a) Mn(ClO₃)₂ (b) Fe₂(CrO₄)₃ (c) HgCr₂O₇ (d) Co₃(PO₄)₂
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