In which of the following reactions does H2O2 act as a reducing reagent? A) H2O2 + 2I- + 2H+ → I2 + 2H2O B) H2O2 + 2[Co(NH3)6]2+ → 2[Co(NH3)63+ + 2OH- C) 5H2O2 + 6H+ + 2MnO4- → 2Mn2+ + 8H2O + 5O2 D) 3H2O2 + 2[Cr(OH)6]3- → 2CrO42- + 8H2O + 2OH-

In which of the following reactions does H2O2 act as a reducing reagent? A) H2O2 + 2I- + 2H+ → I2 + 2H2O B) H2O2 + 2[Co(NH3)6]2+ → 2[Co(NH3)63+ + 2OH- C) 5H2O2 + 6H+ + 2MnO4- → 2Mn2+ + 8H2O + 5O2 D) 3H2O2 + 2[Cr(OH)6]3- → 2CrO42- + 8H2O + 2OH-

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter14: Aldehydes And Ketones

Section: Chapter Questions

Problem 14.42E: Complete the following equations. If no reaction occurs, write no reaction. a. b. c. d. e.

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In which of the following reactions does H2O2 act as a reducing reagent?

A) H₂O₂ + 2I^- + 2H⁺ → I₂ + 2H₂O
B) H₂O₂ + 2[Co(NH₃)₆]²⁺ → 2[Co(NH₃)₆^₃₊ + 2OH^-
C) 5H₂O₂ + 6H⁺ + 2MnO₄^- → 2Mn²⁺ + 8H₂O + 5O₂
D) 3H₂O₂ + 2[Cr(OH)₆]^3-→ 2CrO₄^2- + 8H₂O + 2OH^-

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