Assign an oxidation state to each element in each compound: (a) Cu(NO3)2 (b) Sr(ОH)2 (c) K2CrO7

Q: Write the balanced NET ionic equation for the reaction when Cr(NO,), and Li,CO, are mixed in aqueous…

A: Balanced chemical equation is given by,   2Cr(NO3)3(aq) + 3Li2CO3(aq) → Cr2(CO3)3(s) + 6LiNO3(aq)

Q: What is the oxidation number to the element specified in the compound below: Mn : KMN04

A: Given :- KMnO4  To be determined :- oxidation number of Mn in KMnO4

Q: In which compound is the oxidation state of oxygen (a) O2 (b) H2O (c) H2SO4 (d) H2O2 (e) KCH3COO?

A: Solution-Oxygen generally has an oxidation state of -1 in case  there is an (-O-O_) single bond; (a)…

Q: 4.50 Determine which of the following metals can react withacid: (a) Au, (b) Ni, (c) Zn, (d) Ag, (e)…

A: According to the reactivity series of metals, the elements are arranged in the order of their…

Q: Calculate the (a) electrical energy, (b) AG°, and (c) K öf thể řéačtion: 1. Fe*(aq) / Fe*°(aq} //…

A: Values are not given so we can't calculate question a.

Q: Put the compounds in order of INCREASING oxidation state. он 0=c=0 HO, A B.

A: Since in question it is not clearly mentioned about which element's oxidation state to be…

Q: A 0.8040 gram sample of an iron ore is dissolved in acid. The iron is then reduced to Fe2+ and…

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements present…

Q: How many amperes are required to deposit 0.166 grams of iron metal in 435 seconds, from a solution…

A: We have 0.166 grams Fe deposit. 435 seconds time is used . We have to calculate the current passed.…

Q: Balance the following in acidic solution: а. Н,0, + Sn'2 Н.0 + Sn4* — b. PbO2 + Hg → Hg, 2+ + Pb²+…

A: When chemical substances combine such that their ionic or molecular structures change to generate…

Q: Calculate the oxidation number of: a. Fe in Fe2O3 b. Cr in CrO4^2- c. Cr in Cr2O7^2-

A: (a) Fe2O3        Oxidation state of oxygen = -2. Three oxygen atoms are there, so = 3 × (-2) = -6…

Q: mine the oxidation number for the indicated element in the following compoune Cr in Cr,0,2- Select…

A: oxygen shows -2 oxidation state and for Cr, we take X value then we calculate the oxidation state.…

Q: Based on given redox reaction; The solution of Fe2+ that is obtained by dissolving 1.187 g of Iron…

A: We will equal gm equivalent of both

Q: 3. Determine the oxidation state of the specified element i the following: (a) Cr in Cr,0,2- (c) Fe…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Assign an oxidation state to each element in each compound. a.) Cu(NO3)2 b.) Sr(OH)2

A: The oxidation state of each ion in the given molecules is as follows:

Q: 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. (Hint:…

A: Oxidation state of any element can be determined using the identity that the met charge should be…

Q: Assign oxidation states to all atoms in the following: А. СО2 В. NO3

A: A. Calculation of the oxidation state of carbon (C) in CO2 molecule --- Suppose the oxidation number…

Q: Please balance the following redox reaction (I is lodine) Pb2+ + 103 → PbO2 + 12 A) under Acidic…

A: The Net ionic equation is given here  At first we have to balance all the elements other than O or…

Q: Vhat are the oxidation number of the underlined elements in each of the following species O KMNO4 b)…

A:

Q: Which is the reducing agent in, Cu (s) + 2Ag+ (aq) → Cu2+ (aq) + 2Ag (s)? A. Cu2+ B. Ag C. Cu D.…

A: The reaction given is Cu (s) + 2 Ag+ (aq) → Cu2+ (aq) + 2 Ag (s)

Q: Based on given redox reaction; The solution of Fe2* that is obtained by dissolving 1.187 g of Iron…

A: We have to find the mass percentage

Q: How many amperes are required to deposit 0.269 grams of cobalt metal in 322 seconds, from a solution…

A:

Q: write the balanced NET ionic equation for the reaction when Mn(C2H3O2)4 and (NH4)2S    are mixed in…

A: In this question, we will write  NET ionic equation.  You can see details Solution below step by…

Q: What are the oxidation numbers of the following: (a) N in NO (b) N in NO2- (c) N in NO3- (d) Mn…

A: We have to calculate the oxidation numbers of the following:   (a) N in NO   (b) N in NO2-   (c) N…

Q: Write balanced equations for the following redox reaction: Cu + HNO, - Cu(NO3)2 + NO + H,O (in…

A:

Q: What are the oxidation numbers in the following compound?   ClO2-

A: The oxidation state of oxygen is -2. The overall charge of the given compound is -1.

Q: What is the oxidation state of each element in AgPO3

A:

Q: A waste water containing Fe(HCO3) 2 is discharged to a surface pond. Assuming complete oxidation of…

A: Solution =

Q: Assign an oxidation state to each atom in each poly- atomic ion. (a) CO,²- (b) OH¯ c) NO3 (d) NO2-

A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…

Q: Write the balanced NET ionic equation for the reaction when Mn(C₂H₃O₂)₄ and (NH₄)₂S are mixed in…

A: Net Ionic equation , we only write the ions which takes part in the chemical reaction. We eliminate…

Q: 4. Oxidation state of Mn in MnO2 is a) +2 b) - 2 c) +4 d) - 4

A:

Q: Fe in ore can be analyzed by oxidizing Fe to Fe2+ then titrating  Fe2+with K2Cr2O7  .  See equation…

A: Titration is a slow addition of one solution of a known concentration to a known volume of another…

Q: Q.) Balance the following reaction in acidic solution: CIO,+SO,> So+Cr

A:

Q: In the following reaction, which element is oxidized? - Fe + CuSO4 Cu + FeSO4 - Select one: а. Cu O…

A: Ans is given as the following

Q: a solution prepared by dissolving 0.2541g sample of electrolytic iron wire in acid was passed…

A: Given :  Mass of iron wire = 0.2541 gm  Volume of Cr2O7-2 solution = 36.76 ml

Q: iron content of iron ore can be determined by titration with KMnO₄ according to the equation…

A:

Q: The oxidation of 22 mL of a solution containing Fe2+ requires 27 mL of 0.0345 M K2Cr2O7 in acidic…

A:

Q: Given the following half reactions, which is the reducing agent? 6H* + VO, + Fe?"→ 3H¿O* + VO2* + Fe…

A: A reducing agent is defined as a substance which reduces another substance and itself gets oxidized…

Q: What is the oxidation number of the carbon atom in Rb 2CO 3?

A: Oxidation number is defined as an number is assigned to an element in chemical combination which…

Q: Which of the following is the reducing agent? Cu + 4HNO3 –→ Cu(NO3)2 + 2NO2 + 2H2O

A: Given :  To determine the reducing agent in the above reaction.

Q: Determine the oxidation number (oxidation state) of each element in the three compounds. CuCO3 Cu:…

A: Given compound: CuCO3 We have to determine the oxidation numbers of each element in CuCO3.

Q: What is the oxidation number of manganese in the permanganate ion, MnO4-?

A: Given: The ion is MnO4-.

Q: What is the oxidation number change for the iron atom in the following reaction? E Fe2O3(s) + 3 C(s)…

A: solution- In Fe2CO3 oxidation number of the Ironis =+3in Fe the oxidation No. of iron is =0the…

Q: What is the oxidation number of chromium in the chromate ion, CrO42-? O a. +2 O b. +6 O c. +8 O d.…

A: The oxidation number of oxygen in most of its compound is equal to -2.

Q: Balance the following redox reaction using the half-reaction method under basic conditions. Identify…

A: In basic medium balancing of redox reaction follows certain rules. Separate and balance all…

Q: What is the oxidation number of chromium in Cr2O72- ion?     +3     +14     +7…

A: Oxidation: Loss of electron. Reduction: Gain of electron.An oxidizing agent gains the electrons and…

Q: For which of the following starting materials would there be NO reaction: Mn (s) + FeO O Mg (s) +…

A: Given reactions,       Mn(s)  +  FeOMg(s)  +  Al2SCd(s)  +  Zn(C2H3O2)2Fe(s)  +  AgNO3