Answer:
Nonmetal oxides react with water to form oxyacids. Ex. CO2 + H2O → H2CO3 Page 3 Decomposition - compound (reactant) breaks down into 2 or more simpler substances.
n=-3
Explanation:
Mg = +2
3(+2) + 2N = 0
N = -3
ans is (2) 2,4- hexadiene