Combination Reaction (Synthesis)
- Aug 9, 2015
- 1 min read
A combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine together to form a single compound (product). Such reactions may be represented by equations of the following form: X + Y → XY.
Combination reactions can involve different types of reactants:
TypeExample
a) Between elementsC + O2 → CO2Carbon completely burnt in oxygen yields carbon dioxide
b) Between compoundsCaO + H2O → Ca(OH)2Calcium oxide (lime) combined with water gives calcium hydroxide (slaked lime)
c) Between elements and compounds2CO + O2 → 2CO2Oxygen combines with carbon monoxide, and carbon dioxide is formed.
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