1.

Which of the following reaction is an example of a redox reaction

Answer»

`XeF_(2)+PF_(5) rarr [XeF]^(+)+PF_(6)^(-)`
`XeF_(6)+H_(2)O rarr XeOF_(4)+2HF`
`XeF_(6)+2H_(2)O rarr XeO_(2)F_(2)+4 HF`
`XeF_(4)O_(2)F_(2) rarr XeF_(6)+O_(2)`

Solution :law of multiple proportion was proposed by Dalton and verified by Berzelius


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