Nacl here a battery pumps electrons from cl to na to

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: s of molten NaCl. NaCl. Here a battery “pumps” electrons from Cl- to Na +. to + Anode Na+ + e- ---> Na eCathode Eo for cell = -4.07 V for External energy needed because Eo is (-). is Note that signs of electrodes are reversed from batteries. Cl- Na+ Electrolysis of Aqueous NaCl Electrolysis of Aqueous NaCl Anode (+) Eo = -1.36 V -1.36 2 Cl- ---> Cl 2(g) + 2e---> Cathode (-) Eo = -0.83 V -0.83 2 H2O + 2e- ---> H 2 + 2 OHOH Eo for cell = -2.19 V for Note that H 2O is more easily reduced + than Na+. Anode 4 Electrolysis of Aqueous NaCl Cells like these are...
View Full Document

This note was uploaded on 12/14/2010 for the course CHEM 1e03 taught by Professor Jb during the Winter '10 term at Macalester.

Ask a homework question - tutors are online