1.

\[12g\] of \[Mg\](at. mass 24) will react completely with acid to give [MNR 1985]

A.        One mole of \[{{H}_{2}}\]
B.        1/2 mole of \[{{H}_{2}}\]
C.        2/3 mole of \[{{O}_{2}}\]
D.        Both 1/2 mol of \[{{H}_{2}}\] and 1/2 mol of \[{{O}_{2}}\]
Answer» C.        2/3 mole of \[{{O}_{2}}\]


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