`S_(1):` Argon is used in arc welding of metals or alloys to provide an inert atomosphere. `S_(2):" XeF_(2),XeF_(4)` and `XeF_(6)` are colourless crystalline solids and sublime readily at `298K`. `S_(3):XeF_(2),XeF_(4)` and `XeF_(6)` are readily hydrolysed. `S_(4): ` Xenon fluorides react with flourine ion acceptor to form cationic species and fluoride ion donors to form fluoro anions.A. `F F F F `B. `T F T F`C. `T T T T`D. `F T F T `

`S_(1):` Argon is used in arc welding of metals or alloys to provide a

1.	`S_(1):` Argon is used in arc welding of metals or alloys to provide an inert atomosphere. `S_(2):" XeF_(2),XeF_(4)` and `XeF_(6)` are colourless crystalline solids and sublime readily at `298K`. `S_(3):XeF_(2),XeF_(4)` and `XeF_(6)` are readily hydrolysed. `S_(4): ` Xenon fluorides react with flourine ion acceptor to form cationic species and fluoride ion donors to form fluoro anions.A. `F F F F `B. `T F T F`C. `T T T T`D. `F T F T `
Answer» Correct Answer - C `S_(1)` and `S_(2)` are correct statements. `S_(3):2XeF_(2)(s)+H_(2)O(l)rarr2Xe(g)+4HF(aq)+O_(2)(g)` `{:(6XeF_(4)+12H_(2)O,rarr,4Xe+XeO_(3),+,24HF+3O_(2)),(XeF_(5)+3H_(2)O,rarr,XeO_(3)+6HF,,):}}"Complete hydrolysis"` `S_(4): XeF_(2)+PF_(5)rarr[XeF]^(+)[PF_(6)]^(-)` `XeF_(4)+SbF_(5)rarr[XeF_(3)]^(+)[SbF_(6)]^(-)` `XeF_(6)+MFrarr M^(+)[XeF_(7)]^(-)` `M=Na, K, Rb" or "Cs`

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