Brainliestttme :

the reactants of two reactions are shown.

reaction 1: c and o2
reaction 2: k2so4 and cacl2

which reaction is likely to be a redox reaction?

only reaction 2, because potassium and calcium ions will interchange their positions
both, because the electrostatic charge on cations will change during each reaction
both, because the electrostatic charge on anions will change during each reaction
only reaction 1, because the charge of carbon changes during the reaction