E CHEMISTRY Model Paper 1 - 15 CY 1001 K L UNIVERSITY I IV...

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15 CY 1001 K L UNIVERSITY I / IV B.Tech., Internal Examinations A.Y.2015-16 Test II Model Paper ENGINEERING CHEMISTRY Time: 1 ½ hours Max. Marks: 30 Answer all questions (Internal choice) for each question: Q. 1. CO: 1 COI: 1,2 BTL: 2 Marks : 1 × 1 = 10 1. (a) Electrode potentials are specified as potentials relative to a standard hydrogen reference electrode. Why is the electrode potential specified in this manner rather than absolute values being given? Also explain the measurement of Electro potentials values of any two electrodes with neat diagrams and necessary cell notations. (or) 1. (b) How will you determine the P H of unknown solution using Calomel and Glass electrodes? Draw diagrams where ever is necessary? Q. 2. CO: 1 COI: 3,4 BTL: 1 Marks : 10 2. (a) Indentify the type of electrochemical cells used in space shuttles. 2M 2. (b) Differentiate between fuel cell with conventional cell. 3M 2. (c) Illustrate the working principle of Hydrogen
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  • Fall '16
  • Electrochemistry, electrode potentials, Internal Examinations A.Y.2015-16, oxygen fuel cell

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