Which element is oxidized in the reaction below?                 Fe2+ + CrO42- + H2O→ Fe3+ + Cr3+ +OH- A. Cr6+ B. Fe2+ C. O2+ D. Fe3+ E. Cr3+

Q: which element is oxidized in the reaction below? Fe2+ + H+ + Cr2O72- --> Fe3+ + Cr3+ + H2O

A: Oxidation is loss of electrons or increase in the oxidation state.

Q: In the reaction below, which species is reduced? Ag(s) + NO;-(aq) + 2H*(aq) → Ag*(aq) + H2O(1) +…

A:

Q: What type (redox, acid-base, precipitation) are the reactions below? For the redox reactions,…

A: A) FeCl3 + Cu ----->FeCl2 + CuClThis reaction is displacement reaction and also redox reactionB)…

Q: A reaction that occurs during the corrosion of iron is A. Fe + 3,-→F¢3+ B. Fe2+ + 2e-→ Fe C.…

A:

Q: Indicate which pairs compounds, with the carbons shown, have the same oxidation level?

A: Oxidation level is decided on the basis of functional groups attached to carbon atom.

Q: For the following reaction if you write the complete reaction, which element is the oxidation agent?…

A: Oxidizing agent is defined as the substance that has the ability to oxidize other subsatnce i.e…

Q: 325 mL of 0.100 M CaCl2 solution is treated with 0.150 M AgNO3 solution until precipitation is…

A:

Q: If the oxidation number of Mn in MnO4 is +7 in the following chemical reaction, then MnO4 is; 5H₂O2…

A: The objective of the question is to determine the role of MnO4 in the given chemical reaction based…

Q: 4. Consider the following redox equation (balanced) 32 H+ + 4 a. b. 4 Cr20² +3 S2-8 Cr³+ + 3 so + 16…

A:

Q: Given the reaction: 2Fe(s) + 3C12(g) --> 2FEC13(s) What is the oxidation state for the reactant…

A: Given :  2Fe(s) + 3Cl2(g) → 2FeCl3(s)  To determine :-  Oxidation state for reactant iron

Q: 5. Balance the following reactions using either the oxidation number method or the half-reaction…

A: We have to balance the given redox reactions and determine which element is oxidized and reduced

Q: Determine the oxidation number of SS in H2SO3H2SO3 A. +4 B. +7 C. +3 D. +5 E. +6

A:

Q: The oxidation number of S in SO42- is ___

A: The oxidation number of an atom in a molecule is defined as the number of charges it would carry If…

Q: Which substance is the reducing agent in this reaction? 2KMnO4 + 3Na2SO3 + H2O --> 2MnO2 + 3NaSO4 +…

A: A reducing agent in a chemical reaction reduces the other substance and it self undergo oxidation.

Q: 2. Write the formula for the oxoanions of the following elements in which the element is found with…

A:

Q: 33. Which substance is the reducing agent in HF + Cl, → F2 + HCI? А. HF B. Cl2 С. F2 D. HCI E. H20…

A: Reducing agent: A reducing agent, loses electrons and gets oxidized in a chemical reaction.  In the…

Q: Please answer in typing format

A: Upon oxidation, dithiols are converted into disulfide.and upon reduction of disulfide, thiols are…

Q: 5. To balance a redox reaction in an acidic or basic environment, you would use the following…

A: Following two questions given -  (5) Which method used to balance redox reaction in an acidic or…

Q: A.C2O4^2- B.H3PO4 Find the oxidation numbers for each element

A: Given compounds: A.C2O4 2- B.H3PO4 To find: The oxidation numbers for each element.

Q: In the reaction below, identify (in order left to right) the oxidizing agent and the substance being…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: +2 a. Mg Mg+ 2e b. Mg(s) + HCI MgCl2(aq) + H2(g) C. Yes d. 2Mg(s) + 2HCI 2M9CI2(aq) + 2H2(g) e.…

A: In this question, we have to find out the correct answer of given problem by the help of redox…

Q: What type of reaction is this? 2 Melz + Mn(SOs2 --> 2 MgSO, + Mnla What type of reaction is this?…

A: A chemical reaction can be defined as a process in which one or more substances  called reactants…

Q: Indicate if the process is oxidation, reduction, both, or neither Na → e1 + Na*1 S + 2 e1→ s2 -> H-H…

A: Fill in the blanks with suitable process ?

Q: g. Fe3O4 h. OF2

A: Oxidation number is the imaginary or fictitious charge developed on an atom if all shared electrons…

Q: Classify the following reaction by what the atoms do (there may be more than one of each H2SO4(aq) +…

A: The correct option is:

Q: which one of the following reactions is sulfur reduced?   A.  H2S(aq) + H2O(l)  →  HS–(aq) +…

A: oxidation is defined as increase in oxidation state of the element.   while reduction is defined as…

Q: 8 H+(aq) + Cr2O72-(aq) + 3 H2S (aq)----> 2 Cr+3 (aq) + 7 H2O (l) + 3 S (s) a. Assign oxidation…

A:

Q: 7. What type of corrosion prevention is most often used for larger scale objects such as boats,…

A: 7.Answer :--- The correct option for corrosion prevention on larger scale objects such as boats and…

Q: Identify the oxidizing agent and reducing agent in the reaction. Te0 3 2- + 2 N204 +  H20 -> Te + 4…

A: Oxidizing agent are those which oxidizes the other compound.  Hence oxidizing agent are substance…

Q: 18. In the reaction: 6 Mn²+ + 5 Cr2O7²- + 22 H+ →→→→ 11 H₂O + 10 Cr³+ + 6 MnO4 Which one of the…

A: Answer:-This question is answered by using the simple concept of redox reaction and oxidation…

Q: How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts completely…

A: Given, Concentration of AgNO3 solution = 0.15 M = 0.15 mol/L Volume of AgNO3 solution = 0.35 L mass…

Q: 14. When solid magnesium reacts with hydrogen ions, which of the following can be said of the role…

A:

Q: Consider the following reaction. Mt (s) + NO3'- (aq) Mt3+ (aq) + NO (aq) а. Write the half-reactions…

A: