Interpretation:
The oxidation states of all the atoms in CO3 2 - should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in NO3 - should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in PO4 3 - should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in SO4 2 - should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
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Introductory Chemistry: A Foundation
- Use the oxidation states method to balance the reaction: __ SO42– (aq) + __ Fe2+ (aq) + __ H+ (aq) --> __ SO2 (g) + __ Fe3+(aq) + __ H2O (l)arrow_forwardUse the oxidation states method to balance the reaction: __ SO42– (aq) + __ Fe2+ (aq) + __ H+ (aq) --> __ SO2 (g) + __ Fe3+ (aq) + __ H2O (l)arrow_forwardBalance the reaction HNO3(aq)+H3AsO3(aq) ------> NO(g)+H3AsO4(aq)+H2O(l) by oxidation number method. Answer the following: 1. The oxidation number of N atom changes from ___ to___. 2. The oxidation number of As atom changes from ___ to___. 3. The number of electrons lost is___ 4. The number of electrons gained is___ 5. The coefficient of HNO3 in the balanced equation is___ 6. The coefficient of H3AsO3in the balanced equation is___ 7. The oxidizing reagent in the reaction is___ 8. The oxidation number of H in H2O is___arrow_forward
- 65.) In the reaction below: 2MnO4 - + 3S 2- + 4H2O → 3S + 2MnO2 + 8OH - a.) Which element is oxidized? b.) Which element is reduced? c.) Which element is the oxidizing agent?arrow_forwardWhich change in oxidation number represents reduction? Choose the right answer in the given choices below: a.) –1 to +1 b.) –1 to –2 c.) –1 to 0 d.) –1 to +2arrow_forwardUsing the oxidation number method, what are the coefficients that correctly balance the following reaction: HNO3 (ag) + H3AsO3 (ag) → NO(g) + H3AsO4(ag) + H2O(I) ? A. 1,3,2,3,2 B. 2,3,2,1,3 C. 2,3,2,2,2 D. 2,3,2,3,1arrow_forward
- Find the oxidation number of: A. chlorine in ClO4- ___(-7-6-5-4-3-2-10+1+2+3+4+5+6+7) B. manganese in MnO4- ___(-7-6-5-4-3-2-10+1+2+3+4+5+6+7) C. cobalt in Co ___(-7-6-5-4-3-2-10+1+2+3+4+5+6+7) Find the oxidation number of: A. iron in Fe(OH)2 ___(-7-6-5-4-3-2-10+1+2+3+4+5+6+7) B. nickel in Ni ___(-7-6-5-4-3-2-10+1+2+3+4+5+6+7) C. manganese in MnO4-arrow_forwardCircle all the true statements below: A) The oxidation number of Xe in XeO2 is +4 B) The oxidation number of S in SO42- is -2 C) The oxidation number of Cu(s) is 0 D) The oxidation number of oxygen is normally -2arrow_forwardWhich describes oxidation-number composition in Fe3O4? 1 iron ion (ON = + 2), 3 iron ions (ON = +3 each), four oxide ions (ON = -8 each) 2 iron ions (ON = +2 each), 1 iron ion (ON = +3), four oxide ions (ON = -2 each) 1 iron ion (ON = +2), 2 iron ions (ON = +3 each), four oxide ions (ON = -2 each) 3 iron ions (ON = +2 each), 1 iron ion (ON = +3 each), two peroxide ions (ON = -1 per oxygen)arrow_forward
- Assign oxidation states to each atom in each element, ion, orcompound.a. Ag b. Ag+ c. CaF2d. H2S e. CO32- f. CrO42-arrow_forwardwhich element is oxidized in the reaction below I^- + MnO-4 + H+ --> I2 + MnO2 +H2Oarrow_forwardWhich chemical species is being oxidized in the following reaction? 4HCl + MnO2 --> Cl2 + 2 H20 + MnCl2 A. The Mn in MnO2 B. The H in HCl C. The O in MnO2 D. The Cl in HClarrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781285199030Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning