The half-reaction that occurs at the cathode during the electrolysis of molten sodium bromide is _____. a. Chemistry Practice Test - Ch. Do not write your answers in your test book. For your better entry test preparation and better Chemistry MCQs preparation, in this section, we are going to post Electrochemistry MCQs. 1) At equilibrium, _____. Questions left blank are not counted against you. Electrochemistry Practice Test - KEY.pdf. Electrochemistry Problems 1) Given the E° for the following half-reactions: Cu+ + e-Æ Cu° E° red = 0.52 V Cu2+ + 2e-Æ Cu° E° red = 0.34 V What is E° for the reaction: Cu+ Æ Cu2+ + e- 2) How many Faradays are required to produce 21.58 g of silver from a silver Choose the one alternative that best completes the statement or answers the question. Then find the number of the question on your answer sheet and mark your answer. Electrochemistry Exercises. A.P. Calculate the volume of H 2(g) consumed during the same time period. When you hear the statements, you must select the one statement that best describes what you see in the picture. Sign In. Answer the following to the best of your ability. PART 1 Directions: For each question in this part, you will hear four statements about a picture in your test book. + 2e2Br-→Br 2-b. ____ 1. Electrochemistry Practice Test - KEY.pdf. Electrochemistry has as its foundation the well-controlled delivery or measure of a source of electrons; i.e., the number of electrons delivered or produced and the work it takes to move the electrons is well known. AP Chemistry-Electrochemistry. (a) When the fuel cell operates at 25˚C and 1.00 atm for 78.0 minutes, 0.0746 mol of O 2(g) is consumed. 13: Equilibrium Name_____ MULTIPLE CHOICE. A new page will appear showing your correct and incorrect responses. When you have completed every question that you desire, click the "MARK TEST" button after the last exercise. AP REVIEW QUESTIONS – Electrochemistry - Answers 2007 part A, form B, question #3 2 H 2(g) + O 2(g) 2 H 2 O (l) In a hydrogen-oxygen fuel cell, energy is produced by the overall reaction represented above. Multiple Choice. If you wish, you may return to the test and attempt to improve your score. Identify the choice that best completes the statement or answers the question. Note that there will be many parallels between electrochemistry and acid/base chemistry.