how chemical displacement reactions differ from a chemical decomposition reaction ? "

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07-08-2014
Physics

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how chemical displacement reactions differ from a chemical decomposition reaction ? "

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Everest2017 Everest2017 · Answer 1 · 2014-08-09T14:39:17-04:00

Chemical displacement reaction : one group or element in a compound is replaced by another. There is a substitution taking place.

A - X + B - Y -> A - Y + B - X with respective electric charges on them
methane + chlorine -> HCl + methyl chloride

Chemical decomposition is opposite of chemical synthesis. A compoind is broken into its groups or elements.
A - B - > A + B with respective electric charges on them
2 H2O liquid -> 2 H2 gas + O2 gas