lose decreasesoxidizing agent electrons hydrogen increases oxygen gain reducing agent Reduction is defined as gain of or addition of or removal of from a species. During reduction, oxidation number of the element and the substance that is reduced acts as a/an Reducing agent is a substance which can electrons easily.

lose decreasesoxidizing agent electrons hydrogen increases oxygen gain reducing agent Reduction is defined as gain of or addition of or removal of from a species. During reduction, oxidation number of the element and the substance that is reduced acts as a/an Reducing agent is a substance which can electrons easily.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 63QAP: Consider the following balanced redox reaction in basic medium....

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Consider the following balanced redox reaction in basic medium. 3Sn2+(aq)+Cr2O72(aq)+4H2O3Sn4+(aq)+Cr2O3(s)+8OH(aq) (a) What is the oxidizing agent? (b) What species has the element that increases its oxidation number? (c) What species contains the element with the highest oxidation number? (d) If the reaction were to take place in acidic medium, what species would not be included in the reaction?
Consider the following galvanic cell: a. Label the reducing agent and the oxidizing agent, and describe the direction of the electron flow. b. Determine the standard cell potential. c. Which electrode increases in mass as the reaction proceeds, and which electrode decreases in mass?
When metal A is placed in a solution of a salt of metal B, thesurface of metal A changes color. When metal B is placed in acidsolution, gas bubbles form on the surface of the metal. Whenmetal A is placed in a solution of a salt of metal C, no change isobserved in the solution or on the metal A surface. Will metal Ccause formation of H2 when placed in acid solution? Rank met-als A, B, and C in order of decreasingreducing strength.
(a) which of the followingis the strongest oxidizing agent, and which is the weakestin acidic solution: Br2, H2O2, Zn, Cr2O72 - ? (b) Which ofthe following is the strongest reducing agent, and which isthe weakest in acidic solution: F-, Zn, N2H5+, I2, NO?
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Choose the species that is/are stable in a reducing environment at pH=10.
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