1.

Which of the following statement is incorrect for XeF_(6) ?

Answer»

Its PARTIAL hydrolysis gives `XeOF_(4)` and `XeO_(2)F_(2)` which is non-redox hydrolysis.
Its reaction with silica gives `XeOF_(4)`.
It is prepared by reaction of `XeF_(4)` and `O_(2)F_(2)`.
It disproportionates under water.

SOLUTION :`DeltaS=nF((dF)/(dT))=2xx96500xx2xx10^(-4)=38.6J`
at equilibrium `DeltaG=DeltaH-TDeltaS=0`
`DeltaH=TDeltaS=300xx38.6=11580J`


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