In a reaction between oxidant and reductant which will give up electrons and which will accept electron

Explanation:

Any species that undergoes oxidation is itself a reducing agent or reductant.

The species that undergoes reduction in the course of a chemical reaction is an oxidant or reducing agent.

Any specie that loses electrons to another undergoes oxidation and is a reductant.

Species that gains electrons are called oxidant.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter