Which type of reaction is represented by the generic equation ab + cd -> ad + cb? combustion decomposition single replacement double replacement

Double replacement.

It cannot be combustion as water and carbon dioxide have not been exclusively specified. Decomposition is incorrect as if it were this, both reactants would have broken down into their element forms. Single replacement is incorrect as both of the leading elements were replaced with each other.

Hope this helps!

Double replacement.

Explanation:

it should be p1 v1 = p2 v2

nuhygjhuhuouh9oygyuhuh8h9guig97uogh8uog978o0rfyhkmkv h