Chemistry Comes Alive! C C Alive! Table of Contents Index Textbooks

Copper(II) Nitrate with Sodium Iodide

Here, sodium iodide (NaI) is added to copper(II) nitrate (Cu(NO3)2). The result is a redox reaction where Cu2+ oxidizes I- to I2 resulting in a yellow precipitate of copper(I) iodide and red iodine solution.
2Cu2+(aq) + 4I-(aq) --> I2(aq) + 2CuI(s).

(duration 9 seconds, size 522 K, file name MOVIES/CUNO/CUNONAIX.MOV)


| Chemistry Comes Alive! (entry page) | Table of Contents | Index | Chemistry Textbooks |

© 2000 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.