1 g of Mg is burnt in a closed vessel containing 0.5 g of `O_(2)`. Which of the following statements is correct ?

Options

A. `O_(2)` is the limiting reagent and Mg is in excess by 0.25 g
B. Mg is the limiting reagent and is in excess by 0.5 g
C. `O_(2)` is the limiting reagent and is in excess by 0.25 g
D. `O_(2)` is the limiting reagent and Mg is in excess by 0.75 g

Answer

A