chem quiz 1

chem quiz 1 - Cu 2 Fe 2 Hg 2 2 Co 3 2 Given the following...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
+ 0.27 V + 0.56 V + 4.27 V + 0.95 V + 1.51 V - 1.18 V + 1.51 V + 1.70 V Chem 6C Name: Hoeger C02 Quiz #1 (total of 40 points) 1. Given the following half-reactions: i. Cu 2+ (aq) + 2e - b Cu (s) E˚ = + 0.34 V ii. Fe 2+ (aq) + 2e - b Fe (s) E˚ = - 0.44 V iii. Hg 2 2+ (aq) + 2e - b 2 Hg (l) E˚ = + 0.79 V iv. Co 3+ (aq) + e - b Co 2+ (aq) E˚ = + 1.81 V a. (6) Write the overall reaction of the couple that makes the best battery. What is the cell of this battery? b. (6) Draw the cell diagram for this battery. c. (2) Which of the following has the strongest reducing power? (Circle the correct answer) Cu, Fe, Hg, Co 2+ d. (2) Which of the following is the best oxidizing agent? (circle the correct answer)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Cu 2+ , Fe 2+ , Hg 2 2+ , Co 3+ 2. Given the following Latimer Diagram: MnO 4-MnO 4 2-MnO 4 3-MnO 2 Mn 3+ Mn 2+ Mn (6) Write the disproportionation reaction of Mn3+. What is the E˚ disproportionation ? (2) Will Mn 3+ disproportionate? 3. Given, Ti 2+ (aq) + 2e-b Ti (s) E˚ = -1.63V And Ti 3+ (aq) + 1e-b Ti 2+ (aq) E˚ = -0.37V (8) What is the standard potential for the half-reaction: Ti 3+ (aq) + 3e-b Ti (s) (Hint: ΔG ˚ = -nFE˚, where F = 9.65 x 10 4 C • mol-1 ) 4. (8) Balance the following skeletal reaction in BASIC conditions: MnO 4--(aq) + H 2 SO3 (aq) b Mn 2+ (aq) + HSO 4--(aq)...
View Full Document

This note was uploaded on 04/28/2008 for the course CHEM CHEM 6C taught by Professor Hoeger during the Spring '08 term at UCSD.

Page1 / 2

chem quiz 1 - Cu 2 Fe 2 Hg 2 2 Co 3 2 Given the following...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online