What quantity of electric current is required to deposit 0.750 g of Pt(s) from a solution containing the [PtCl4]2– ion within a time of 2.50 hours?

Use the following standard reduction potentials to determine which species is the strongest reducing agent. 2 H+(aq) + 2 e– → H2(g); 0.00 VK+(aq) + e– → K(s); –2.93 V F2(g) + 2 e– → 2 F–(aq); 2.87 VAl3+(aq) + 3 e– → Al(s); –1.66 VPb2+(aq) + 2 e– → Pb(s); –0.13 V

7. What is the equilibrium constant, K, at 25°C for this redox reaction under standard conditions? -> 3 Ag(s) + NO¯(aq) + 4 H+(aq) → 3 Ag+(aq) +NO(g) + 2 H2O(l) A. 1.3 × 108 B. 4.8 x 1018 C. 1.9 × 10-2 D. 5.1 x 102 E. 7.6 × 10-9

Consider the following equation in aqueous solution: Cr:0,2 (aq) + S2O3² (aq) → Cr®*(aq) + S.O² (aq) Given that sulfur is oxidized, write the half-reaction for the oxidation in acidic solution. S:0:2-(aq) → S.Oc²-(aq) D2+|03+ 74+ 1 3 5 7 8 9 04 18 Do 5 (s) (1) (g) (aq) + H2O e H+ H H3O+ Reset • x H2O Delete 1L 4.

2 H202(aq) -> 2 H2O(I) + O2(g) In the equation above what is the oxidizing agent and what is the reducing agent? Give oxidation numbers of atoms to support your answer.

Complete and balance the following redox reaction in basic solution. Be sure to include the proper phases for all species within the reaction. MnO₄⁻(aq) + C₂O₄²⁻(aq) → MnO₂(s) + CO₂(g)

Balance the following equations. When balancing equations for redox reactions in aqueous solution, it is necessary to add water molecules (H₂O) and either H+ (aq) in acidic solution or OH(aq) in basic solution to the equation. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank. If needed, use H+ for the hydronium ion.) a. b. Submit Answer 2+ Zn(s) + VO²+ (aq) + + + Ni(s) + CIO¯¯ (aq) Ni(OH)2 (s) + Cl(aq) (basic solution) + → Zn²+ (aq) + V³+ (aq) (acid solution) Retry Entire Group + + + 6 more group attempts remaining

An acidic solution of permanganate (MnO4–) ions can oxidize nitrous acid to nitrate ions. The products include dissolved Mn2+ ions. Write the chemical equations describing the oxidation of nitrous acid and the reduction of permanganate, and combine the two half-reactions to write a net ionic equation describing the overall redox reaction. Use the lowest whole-number coefficients possible and include states of matter. Define Oxidation

Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A−, B−, and C− ions, all of which are colorless. You are given an unknown, colorless, solution that contains one of the following salts: NaA, NaB, NaC. In solution, each salt dissociates completely into the Na+ ion and the anion A−, B−, or C−. The Na+ ion is effectively inert. You are given the availability of solutions of A, B, and C, develop a simple procedure for identifying the salt that is present in your unknown.   Question 6 options:   React your unknown with NaA, NaB and NaC respectively. If a reaction occurs, your unknown is a better oxidizing agent than what you reacted it with. Use the oxidation strength order calculated in the previous question to determine your unknown.   React your unknown with NaA, NaB and NaC respectively. If a reaction occurs, your unknown is a worse…

Nn.112. Subject:- Chemistry