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

Options

A. (a)`1` mole
B. (b)`2` moles
C. (c )`3` moles
D. (d)`4` moles

Answer

D

Explanation

`H_(2)+1/2O_(2) rarr H_(2)O`
`n=10/2=5 64/32=2`
`(underset(5)(H_(2)) underset(5)(H_(2))O)/(underset(2)(O_(2)) underset(4)(H_(2)O))`
`implies L.R. is O_(2)`
`implies n_(H_(2)O)=4`