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Calculate Oxidation Number Solutions Library

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Calculate Oxidation Number

Q. Assign the correct oxidation number to each species in the redox reaction below.-6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +62PbO2(s) + 2H+(aq) + 2HSO4-(aq...

Solved • Mar 23, 2020

Calculate Oxidation Number

Q. Using Lewis formulas, assign oxidation states to the atoms ina) H2CO (g)H =C =O =b) CH3OH (l)C =H =O =H =    (last H)

Solved • Mar 20, 2020

Calculate Oxidation Number

Q. Determine the oxidation number (oxidation state) of each element in the following six compounds.(a) CuCO3 (b) CH4(c) IF(d) CH2Cl2(e) SO2(f) (NH4)2CrO4

Solved • Mar 20, 2020

Calculate Oxidation Number

Q. Determine the overall charge on each complex.1) hexacyanoferrate(III)2) pentaaquachlorochromium(III)3)  diaquadichloroethylenediaminecobalt(III)

Solved • Mar 13, 2020

Calculate Oxidation Number

Q. Place the following compounds in order of increasing oxidation state of nitrogen:NH2OH      N2H4      HNO2     NH+4      HNO3(A) HNO2 < NH2OH &l...

Solved • Nov 28, 2019

Calculate Oxidation Number

Q. What is the oxidation number of the chromium atom in Na2CrO4 ?A) +7 B) +6 C) -2 D) +2

Solved • Oct 25, 2019

Calculate Oxidation Number

Q. What is the oxidation number of Cl in perchloric acida. +7b. +5c. +1d. -1e. -5

Solved • Oct 3, 2019

Calculate Oxidation Number

Q. In the following reaction, the oxidation state (number) of chlorine changes from:2 Cr(OH)4-(aq) + ClO-(aq) + 2 OH-(aq) → 2 CrO42-(aq) + 3 Cl-(aq) +...

Solved • Oct 2, 2019

Calculate Oxidation Number

Q. Determine the oxidation state (number) of bromine in BrO2- :A. -1B. 0C. +3D. +5E. +7

Solved • Oct 1, 2019

Calculate Oxidation Number

Q. Which compound has the atom with the highest oxidation number?a. casb.na3nc. mgso3d. al(no2)3

Solved • Aug 31, 2019

Calculate Oxidation Number

Q. What is the oxidation number of manganese in MnO2?

Solved • Aug 21, 2019

Calculate Oxidation Number

Q. What is the oxidation number of manganese in Mn2O3?

Solved • Aug 21, 2019

Calculate Oxidation Number

Q. What is the oxidation number of carbon in CO 2?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What are the oxidation numbers of 2Cl - and Cl2?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of phosphorus in  PO43−?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of SO 3?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of Cl in Ba(ClO 2)2?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of carbon in the ion CO32-?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. How do you determine the oxidation number of nitrogen in the nitrate ion?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of manganese in MnO 4-?

Solved • Aug 7, 2019

Calculate Oxidation Number

Q. What is the oxidation number of N in N 2H4?

Solved • Aug 5, 2019

Calculate Oxidation Number

Q. In which reaction does the oxidation number of hydrogen change?1) CaO(s) + H2O(l) → Ca(OH)2(s)2) 2Na(s) + 2H2O(l) → 2NaOh(aq) + H2(g)3) SO2(g) + H2...

Solved • Aug 2, 2019

Calculate Oxidation Number

Q. Determine the oxidation number of the highlighted atom in the following structure:

Solved • Aug 2, 2019

Calculate Oxidation Number

Q. Using Lewis formulas, assign oxidation states to the atoms ina) H2CO (g)H =C =O =b) CH3OH (l)C =H =O =H =  (last H)

Solved • Jul 9, 2019

Calculate Oxidation Number

Q. Replacement of aluminum ions in kaolinite with magnesium ions yields a compound with the formula Mg3Si2O5(OH)4. Assign an oxidation state to each e...

Solved • Nov 27, 2018

Calculate Oxidation Number

Q. Replacement of aluminum ions in kaolinite with magnesium ions yields a compound with the formula Mg3Si2O5(OH)4. Assign an oxidation state to each e...

Solved • Nov 27, 2018

Calculate Oxidation Number

Q. One of the key components in the manufacture of Portland cement is, Ca3SiO5, a compound that is obtained by firing the reactants in a kiln at 1400 ...

Solved • Nov 27, 2018

Calculate Oxidation Number

Q. The substances NaF and CaO are isoelectronic (have the same number of valence electrons).What are the charges on each of the cations in each compound?

Solved • Nov 12, 2018

Calculate Oxidation Number

Q. Chlorine reacts with oxygen to form Cl2O7 (l).PrefixMeaningMono-1Di-2Tri-3Tetra-4Penta-5Hexa-6Hepta-7Octa-8Nona-9Deca-10If the oxygen in Cl2O7 (l) ...

Solved • Nov 12, 2018

Calculate Oxidation Number

Q. Arsenic forms binary compounds with Cl and with Mg.Will it be in the same oxidation state in these two compounds?

Solved • Nov 12, 2018

Calculate Oxidation Number

Q. Elements in group 7A in the periodic table are the halogens; elements in group 6A are called the chalcogens.What is the most common oxidation state...

Solved • Nov 12, 2018

Calculate Oxidation Number

Q. What is the oxidation number of nitrogen in aluminum nitride, AlN?

Solved • Oct 31, 2018

Calculate Oxidation Number

Q. Assign an oxidation state to each atom in each species.(a) Cr(b) Cr3+(c) CCl4(d) SrBr2(e) SO3(f) NO3–

Solved • Oct 31, 2018

Calculate Oxidation Number

Q. What is the oxidation state of Cr in each of the following compounds?CrO

Solved • Oct 31, 2018

Calculate Oxidation Number

Q. What is the oxidation state of Cr in each of the following compounds?CrO3

Solved • Oct 31, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in (NH 4)2Ce(SO4)3.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in HAsO2.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in SF4.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in P4O6.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in Na4Fe(OH)6.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Assign oxidation states for all atoms in NiO 2.

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Determine the oxidation states of the elements in the following compounds:(f) RbO2, rubidium superoxide

Solved • Oct 17, 2018

Calculate Oxidation Number

Q. Give the oxidation number of phosphorus in each of the following:H2P2O7 2− 

Solved • Oct 13, 2018

Calculate Oxidation Number

Q. Give the oxidation number of arsenic in each of the following:AsCl3

Solved • Oct 13, 2018

Calculate Oxidation Number

Q. Give the oxidation number of sulfur in each of the following: H2S2

Solved • Oct 13, 2018

Calculate Oxidation Number

Q. Give the oxidation number of sulfur in each of the following:SOCl2

Solved • Oct 13, 2018

Calculate Oxidation Number

Q. What is the oxidation state of the carbon atom in the carbonate ion, CO 32-?

Solved • Apr 6, 2018

Calculate Oxidation Number

Q. What is the oxidation state of Cl in each of the following ions?a. ClO-b. ClO2-   c. ClO3-d. ClO4-

Solved • Mar 23, 2018

Calculate Oxidation Number

Q. The compound KI3 is formed when potassium iodide is mixed with elemental iodine (I2). It contains the polyatomic triiodide ion (I3–). There is some...

Solved • Mar 22, 2018

Calculate Oxidation Number

Q. Classify each of the following binary compounds by the oxidation number of oxygen.CaOK2OK2O2KO2O2CO2CaO2O3

Solved • Mar 22, 2018

Calculate Oxidation Number

Q. The oxidation number of nitrogen given for the following compounds is correct except for which one?a. hydrazine, N2H4 (-2)b. nitrous oxide, N2O (+1...

Solved • Mar 21, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual:carbon atom in CaCO3?nitrogen atom in KNO3?phosphorus atom in PO43−?carbon atom in C2O42−?Express the ...

Solved • Mar 19, 2018

Calculate Oxidation Number

Q. Give the oxidation state of the metal species in each complex.[Co(NH3)5Cl]Cl2 [Ru(CN)3(CO)2]3-

Solved • Mar 19, 2018

Calculate Oxidation Number

Q. Assign oxidation numbers to each element of the following equations.Ag(s) + CN-(aq) + O2(g) → Ag(CN)2-(aq) + H2O(l)NO2-(aq) + Al(s) → NH3(g) + AlO2...

Solved • Mar 16, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual nitrogen atom in KNO 3? What is the oxidation state of each individual carbon atom in C2O4-2? 

Solved • Mar 16, 2018

Calculate Oxidation Number

Q. For the following reaction KClO4 → KCl + 2O2 assign oxidation states to each element on each side of the equation. 

Solved • Mar 16, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual phosphorus atom in PO 33−?

Solved • Mar 14, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual nitrogen atom in HNO 3?

Solved • Mar 14, 2018

Calculate Oxidation Number

Q. What is the oxidation number of manganese in MnO 4– ? 

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each individual carbon atom in C 2O42−? Express the oxidation state numerically (e.g., +1).

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual phosphorus atom in PO 33−? Express the oxidation state numerically (e.g., +1).

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual nitrogen atom in HNO 3? Express the oxidation state numerically (e.g., +1).

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. Determine the oxidation number of Cl in each of the following species.1. Cl2O72. AlCl4-3. Ba(ClO2)24. ClF4+

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. Determine the oxidation number (oxidation state) of EACH element in the following six compounds.a. CuCO3b. CH4c. IFd. CH2Cl2 e. SO2 f. (NH4)2 CrO4

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. a. What is the oxidation state of each element in K 2Cr2O7?b. What is the oxidation state of each element in SO 32-?

Solved • Mar 13, 2018

Calculate Oxidation Number

Q. Determine the oxidation number (oxidation state) of each element in the following six compounds.a. CuCO3b. CH4c. IF d. CH2Cl2 e. SO2f. (NH4)2CrO4

Solved • Mar 12, 2018

Calculate Oxidation Number

Q. a. What is the oxidation state of an individual bromine atom in NaBrO 3?b. What is the oxidation state of an individual nitrogen atom in NH2OH?c. W...

Solved • Mar 7, 2018

Calculate Oxidation Number

Q. Assign oxidation states to each atom in each of the following species: Ag, Ca2+, BaO, H2S, NO3-, CrO42-

Solved • Mar 6, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual nitrogen atom in NH 4OH? Express the oxidation state numerically (e.g., +1).

Solved • Mar 6, 2018

Calculate Oxidation Number

Q. What is the oxidation state of aluminum in the compound aluminum oxide? 

Solved • Mar 2, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual nitrogen atom in NH 4OH?

Solved • Feb 28, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in Mn(CrO 4)2?

Solved • Feb 28, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in Mn(ClO 4)3? 

Solved • Feb 26, 2018

Calculate Oxidation Number

Q. What is the oxidation state of an individual carbon atom in CaCO 3?

Solved • Feb 26, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in Mn(NO 3)2?

Solved • Feb 21, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in FeBr 3?

Solved • Feb 14, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in COH 2?

Solved • Feb 14, 2018

Calculate Oxidation Number

Q. What is the oxidation state of each element in SO 32-?

Solved • Dec 21, 2017

Calculate Oxidation Number

Q. What is the oxidation state of each element in K 2Cr2O7?

Solved • Dec 21, 2017

Calculate Oxidation Number

Q. For the following reactionKClO4 → KCl + 2O2assign oxidation states to each element on each side of the equation.

Solved • Dec 18, 2017

Calculate Oxidation Number

Q. What is the ionic charge of cobalt ion in [Co(en) 2(OH)2]Cl?

Solved • Dec 18, 2017

Calculate Oxidation Number

Q. what is the symbol for carbon? what is the atomic number of it in the periodic table ? how many protons and electrons in the atom of carbon? giv...

Solved • Dec 15, 2017

Calculate Oxidation Number

Q. The total oxide ion charge in a formula unit of CoO is 2-. What is the charge on each cobalt ion?The total oxide ion charge in a formula unit of Co...

Solved • Dec 15, 2017

Calculate Oxidation Number

Q. The oxidation number of the oxygen atom in F 2O is: a. -2 b. -1 c. +2 d. +1 e. 0

Solved • Oct 10, 2017

Calculate Oxidation Number

Q. Choose the INCORRECT statement:a. If reactants are not in stoichiometric ratio some will always be left at the completion of the reaction.b. The ox...

Solved • Oct 10, 2017

Calculate Oxidation Number

Q. What is the oxidation number for C in the chemical compound CaCO 3. a. +3 b. +6 c. +4 d. +2 e. -4

Solved • Jul 26, 2017

Calculate Oxidation Number

Q. What is the oxidation number for chromium in the following compound? Cr2O72-

Solved • Jul 3, 2017

Calculate Oxidation Number

Q. Determine the oxidation state of P in PO33-. A) +3 B) +6 C) +2 D) 0 E) -3

Solved • Jun 27, 2017

Calculate Oxidation Number

Q. In which of the following is the correct oxidation number for nitrogen given? (A) HNO3, +4 (B) NO2, +2 (C) NCl3, –3 (D) N2, –1 (E) None of the...

Solved • Jun 20, 2017

Calculate Oxidation Number

Q. Of the first atoms in each of the following formulas, which one has the highest oxidation number? A) CO3 2- B) NO3-  C) SO3  D) ClO3-  E) P2O5

Solved • Jun 19, 2017

Calculate Oxidation Number

Q. The oxidation state of vanadium in Rb4NaHV10O28 is: A) -6   B) +8   C) -5   D) +3   E) +5

Solved • Jun 19, 2017

Calculate Oxidation Number

Q. What are the oxidation numbers of carbon in CO 2, CH4 and C2H6? A. 4, 4, 4 B. 4, -4, 3 C. -4, 4, 3 D. 4, -4, -3 E. 4, -4, -4

Solved • May 27, 2017

Calculate Oxidation Number

Q. What is the oxidation number of each atom in ammonium hydrogen phosphate, (NH4)2HPO4?  a. N = -3, H = +1, P = +5, O = –2 b. N = +3, H = +1, P = +...

Solved • May 24, 2017

Calculate Oxidation Number

Q. In which molecule below is the oxidation number of oxygen  not - 2? (1) ClO2–         (2)  O2       (3)  Na2O2   a. (1) and (2) only b. (1) and ...

Solved • May 24, 2017

Calculate Oxidation Number

Q. What is the oxidation number of carbon in HCO 3-? A. -2 B. +1 C. -4 D. +4 E. +5

Solved • Apr 28, 2017

Calculate Oxidation Number

Q. Give the oxidation numbers of the underlined atoms in the following molecules and ions: A) Mg3N2, B) CsO2, C) CaC2, D) CO32−, E) C2O42−, F) Z...

Solved • Feb 16, 2017

Calculate Oxidation Number

Q. What is the oxidation number of sulfur in SO  42−? 

Solved • Dec 27, 2016

Calculate Oxidation Number

Q. In which compound does bromine have the HIGHEST oxidation state? A) HBrO4 B) HBrO3 C) BrCl5 D) HBr

Solved • Oct 28, 2016

Calculate Oxidation Number

Q. What is the oxidation number of chromium in Cr 2O72-?      A) +2      B) -3      C) +3      D) +4      E) +6

Solved • Oct 4, 2016

Calculate Oxidation Number

Q. In which compound is the oxidation state of oxygen not –2?      A) Al2O3      B) Li2O      C) K2O2      D) MgO           E) CO

Solved • Oct 4, 2016