Classify each of the following reactions as a combination, combustion, decomposi

Question

Classify each of the following reactions as a combination, combustion, decomposition, single-displacement, double-displacement, precipitation, acid-base, or redox (oxidation-reduction) reaction. (Select all that apply.) (a) 6 Bao(s) +2 As20s(s)2 Ba(As042(s) an acid-base reaction a combination reaction a combustion reaction a decomposition reaction a double-displacement reaction a precipitation reaction a redox reaction a single-displacement reaction (b) 2 Al(oH)3(s) A203(s)+3 H20(g) an acid-base reaction a combination reaction a combustion reaction O a decomposition reaction a double-displacement reaction a precipitation reaction a redox reaction a single-displacement reaction (C) 2 Alz03 (s) + 3 C (s) 4 Al(s) + 3 CO2(g) an acid-base reaction a combination reaction a combustion reaction

Explanation / Answer

a. Its a combination reaction. A combination reaction is the one in which 2 or more elements or compounds( reactants) combine to give a single compound ( product).

b. Its a decomposition reaction. A decomposition reaction is the one in which one of the reactant breaks down into two or more products.

c. Its a redox reaction. Redox reactions are those in which reduction followed by oxidation takes place in a single reaction. In the above given Al3+ is reduced to Al(0) and C(0) is oxidized to C4+

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