1.

If alpha is the degree of dissociation of N_(2)O_(4)inthe reaction :N_(2)O_(4)hArr 2NO_(2)then at equilibrium, the total number of moles of N_(2)O_(4)andNO_(2)present is :

Answer»

2
`1-ALPHA`
`(1-alpha)^(2)`
`1+alpha`

SOLUTION :`N_(2)O_(4)HARR 2NO_(2)`
If `alpha` is the degree of dissociation
`1-alpha "" 2ALPHA`
Total no. of moles `=1-alpha+2alpha=1+alpha`


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