Question of the day

Which of the following is not true about combustion of hydrocarbons?

With alkanes, the hydroxyl radical abstracts a hydrogen atom and forms a carbon-centered radical.

All hydrocarbons react in air to form carbon monoxide and then carbon dioxide First step is always the reaction between the hydrocarbon and hydroxyl radical Alkanes, the hydroxyl radical abstracts a hydrogen atom and forms a carbanion With alkenes and alkynes, the electron-deficient hydroxyl radical adds to the multiple bond All are correct