1.

Incorrect relationship for mole fractionis :-A. `xlt1`B. `0ltxlt1`C. `-2ltxlt+2`D. Always positive

Answer» Correct Answer - C
`i=(DeltaT_(f))_(obs)/(DeltaT_(f))_(Theo)=((DeltaT_(f))obs)/(K_(f)xxmolality)`
`i=(0.558)/(1.86xx0.1)=3`
for `Hg(NOO_(3))_(2)hArrHg^(+2)+2NO_(3)^(-)`
`i=1-alpha+nalpha`
`because3=1+alpha(n-1)`
`alpha=(3-1)/(3-1)=1` or 100%


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