Description: The addition of a few mL of water to a mixture of elemental zinc and iodine results in evolution of purple vapor and heat.

This demonstration is also available on video and JCE "Chemistry Comes Alive!" Vol. 1 CD-Rom.

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Source: B. Z. Shakhashiri, Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 1 page: 49

Keywords: Zinc, Exothermic, Iodine, Thermochemistry