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An electric discharge is passed through ...

An electric discharge is passed through a mixture containing 50cc of `O_(2)` and 50cc of `H_(2)`. The volume of the gases formed at `110^(@)C` will be

A

50cc

B

75cc

C

25cc

D

100cc

Text Solution

Verified by Experts

The correct Answer is:
B
`2H_(2)+O_(2)rarr2H_(2)O`
`(50)/(2)lt(50)/(1)`
`implies H_(2)` is the L.R
`2ml H_(2)rarr 2ml H_(2)O`
`50ml H_(2)rarr50mlH_(2)O`
volume of `O_(2)` used = 25ml implies leftover 25ml
`therefore` total volume of gases = `50+25=75ml`
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