PLEASE HELP ME classify this reaction: PLEASE HELP ME classify the following reaction:

your options are
1. synthesis
2. decomposition
3. combustion
4. single replacement
5. double replacement

explain your answer for brainliest

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon