10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be

Options

A. 2 mol
B. 3 mol
C. 4 mol
D. 1 mol

Answer

C

Explanation

`{:(H_(2),+,1/2 O_(2) rarr H_(2)O),(10/2,,64/32),(="5 mol",,="2 mol"):}`
Oxygen is the limiting agent.
`:' 1//2O_(2)` gives `=1` mole of `H_(2)O`
`:. 2O_(2)` will give `=4` moles of `H_(2)O`.