Oxidation number (charges of each element) 1) K2CO3 K:___ C:___ O:___ 2) NH4+1 N:__ H:__ 3)...
Oxidation number (charges of each element)
1) K2CO3
K:___
C:___
O:___
2) NH4+1
N:__
H:__
3) AgNO3
Ag:__
N:__
O:__
4) CO2
C:__
O:__
Homework Answers
Oxidation number of H is +1 when bonded to non-metal and -1 when bonded to a metal.
Oxidation number of oxygen is always -2, except in peroxides.
Oxidation number of alkali metals is usually +1, and alkline earth metal is +2.
Calculation of Oxidation number of unknown element in the compound:-
Sum of oxidation numbers of all elements = charge on the compound
1) K2CO3
(+1)*2 + x + (-2)*3 = 0
therofore, x = +4
|
1) K2CO3 K: +1 C: +4 O: -2 |
2) NH4+1 N: -3 H: +1 |
3) AgNO3 Ag: +1 N: +5 O: -2 |
4) CO2 C: +4 O: -2 |
Add Answer to:
Oxidation number (charges of each element)
1) K2CO3
K:___
C:___
O:___
2) NH4+1
N:__
H:__
3)...
3. Assign an oxidation number to each element in the following compounds or ions, put your...
3. Assign an oxidation number to each element in the following compounds or ions, put your answers on the line a) NH4 N= Each of the H: b) NF4 Each of the N: Each of the F: c) CF2Cl C= Each of the F: Each of the C:
12) Determine the oxidation state of P in phosphate, PO33- A) +3 B) +6 C) +2...
12) Determine the oxidation state of P in phosphate, PO33- A) +3 B) +6 C) +2 D) O E) -3 13) Determine the oxidation state of Cin carbonate, CO3-2, A) +4 B) +2 C)-2 D) -4 E) +6 14) What element is undergoing reduction (if any) in the following reaction? Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s) A) Zn B) N c) O D) Ag E) This is not an oxidation-reduction reaction. 15) What element is undergoing oxidation...
3. Determine the oxidation state for each element. (a) Mn3N2 oxidation state on Mn- Oxidation state...
3. Determine the oxidation state for each element. (a) Mn3N2 oxidation state on Mn- Oxidation state on N (b) PO- Oxidation state on P Oxidation state on O (c) BaSO4 Oxidation state on Ba Oxidation state on Oxidation state on O Oxidation state on Al Oxidation state on N Oxidation state on O (d) AI(NO3)3 (e) (NH4) CrO Oxidation state on N_ Oxidation state on H Oxidation state on Cr Oxidation state on O
Question 11 of 15 > Enter the oxidation number of one atom of each element in...
Question 11 of 15 > Enter the oxidation number of one atom of each element in each reactant and product CH,(g) +20,(g) — CO2(g) + 2 H2O(g) C in CH: H in CH : O in 0,: Cinco : Oin CO2: H in H,O: O in H,O: Which atom is reduced? Which atom is oxidized? hantur hann terms of montact us help Which atom is reduced? Which atom is oxidized? Он ОО Ос ОО Он
4) What element is undergoing oxidation (if any) in the following reaction? Zn(s) + 2 AgNO3(aq)...
4) What element is undergoing oxidation (if any) in the following reaction? Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s) A) N B) Zn C) o D Ag E) This is not an oxidation-reduction reaction.
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons &n
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons (3) transfer of electrons (2) sharing of protons (4) transfer of protons In this reaction, CO→ 2 CO + O2 the oxidation number of carbon changes from: (1) 0 to +4 (3) +3 to 0 (2) +2 to +4 (4) +4 to +2 Which balanced equation represents a redox reaction? AgNO3 (aq) +NaCl (aq) →AgCl (s) +NaNO3 (aq) H2CO3 (aq)...
15. Determine the oxidation state on each element in the following: a. K2Cr2O7 b. Nacioz C....
15. Determine the oxidation state on each element in the following: a. K2Cr2O7 b. Nacioz C. Hg2Cl2 d. SOZ e. MnSoz f. NiO2 g. Br2 h. SO, I. PO3- j. K2CO3 k. CrF63 1. CzH60 m. HSO31- n. H2 2. CHO p. HCI q. HCIO r. HCIOZ S. HCIO t. HCIO
Determine the oxidation number of the indicated element in each of the following substances: (a) S...
Determine the oxidation number of the indicated element in each of the following substances: (a) S in SO 3; (b) C in COCl 2; (c) Mn in MnO 4; (d) Br in HBrO; (e) As in As 4; (f) O in K 2 O 2.
Enter the oxidation number of one atom of each element in each reactant and product. CH,(8)...
Enter the oxidation number of one atom of each element in each reactant and product. CH,(8) +20,() — CO2(g) + 2H,0(8) Cin CH : Hin CH :| O in : Cin CO2: o inco, H in H,O: O in H, 0: Which atom is reduced? Which atom is oxidized? Oo OH 00 OH oc oc
Determine the oxidation numbers of each atom in the following species H= C= C2H4 O =...
Determine the oxidation numbers of each atom in the following species H= C= C2H4 O = CO2 C= O Cu= CuO O = N = НЕ HNO3 N = NO2 N = Cu(NOs)2 Cu CraO,2 Cr= С 3 Mg = MgC2O4 O = Оз F = O = Xe ХеOFz O = H= Н202
3. Assign an oxidation number to each element in the following compounds or ions, put your answers on the line a) NH4 N= Each of the H: b) NF4 Each of the N: Each of the F: c) CF2Cl C= Each of the F: Each of the C:
12) Determine the oxidation state of P in phosphate, PO33- A) +3 B) +6 C) +2 D) O E) -3 13) Determine the oxidation state of Cin carbonate, CO3-2, A) +4 B) +2 C)-2 D) -4 E) +6 14) What element is undergoing reduction (if any) in the following reaction? Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s) A) Zn B) N c) O D) Ag E) This is not an oxidation-reduction reaction. 15) What element is undergoing oxidation...
3. Determine the oxidation state for each element. (a) Mn3N2 oxidation state on Mn- Oxidation state on N (b) PO- Oxidation state on P Oxidation state on O (c) BaSO4 Oxidation state on Ba Oxidation state on Oxidation state on O Oxidation state on Al Oxidation state on N Oxidation state on O (d) AI(NO3)3 (e) (NH4) CrO Oxidation state on N_ Oxidation state on H Oxidation state on Cr Oxidation state on O
Question 11 of 15 > Enter the oxidation number of one atom of each element in each reactant and product CH,(g) +20,(g) — CO2(g) + 2 H2O(g) C in CH: H in CH : O in 0,: Cinco : Oin CO2: H in H,O: O in H,O: Which atom is reduced? Which atom is oxidized? hantur hann terms of montact us help Which atom is reduced? Which atom is oxidized? Он ОО Ос ОО Он
4) What element is undergoing oxidation (if any) in the following reaction? Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s) A) N B) Zn C) o D Ag E) This is not an oxidation-reduction reaction.
15. Determine the oxidation state on each element in the following: a. K2Cr2O7 b. Nacioz C. Hg2Cl2 d. SOZ e. MnSoz f. NiO2 g. Br2 h. SO, I. PO3- j. K2CO3 k. CrF63 1. CzH60 m. HSO31- n. H2 2. CHO p. HCI q. HCIO r. HCIOZ S. HCIO t. HCIO
Enter the oxidation number of one atom of each element in each reactant and product. CH,(8) +20,() — CO2(g) + 2H,0(8) Cin CH : Hin CH :| O in : Cin CO2: o inco, H in H,O: O in H, 0: Which atom is reduced? Which atom is oxidized? Oo OH 00 OH oc oc
Determine the oxidation numbers of each atom in the following species H= C= C2H4 O = CO2 C= O Cu= CuO O = N = НЕ HNO3 N = NO2 N = Cu(NOs)2 Cu CraO,2 Cr= С 3 Mg = MgC2O4 O = Оз F = O = Xe ХеOFz O = H= Н202
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