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Chemistry Question -- Precipitates?

Asked by Xihana (17points) October 23rd, 2011

I’m going over a test I recently took for my AP Chemistry test and am doing test corrections to see where I went wrong. The question is:

Describe the reaction of iron (II) ions with hydroxide ions.

The options are:
A. Precipitation
B. Oxidation
C. Reduction
D. Dissolution
E. Combustion

I had written B (Oxidation) for my answer, but according to the answer key, A (Precipitation) is correct. Why?

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