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10ml of mixture containing CO and N(2) r...

10ml of mixture containing CO and `N_(2)` required 7 ml of oxygen to form `CO_(2)` and NO respectively on combution. Find the volume of `N_(2)` in the mixture.

A

`7//2`

B

`17//2`

C

4 ml

D

7 ml

Text Solution

Verified by Experts

The correct Answer is:
C
If vol. of `CO=x`
`CO+(1)/(2)O_(2)rarrCO_(2)`
`underset(x)(CO)+(1)/(2)underset((x)/(2))(O_(2))rarrCO_(2)`
`underset((10-x))(N_(2))+underset(10-x)(O_(2))rarr2NO`
Vol. of `O_(2)` required = `(x)/(2)+10-x=10-(x)/(2)=7`
`implies (x)/(2)=3impliesx=6mLimplies"vol."N_(2)=4mL`
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