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(a)What prompted Brithent in the disonvery of noble gas compounds? (b) The majurity of noble gas compound are these of xenon .Give reason (c ) No chemical compound of He in known why? |
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Answer» (a) Since `PtF_(2)` oxides `O_(2)` to `O_(2)`, Bartlent through that `PtF_(3)` should also oxides `Xe` to `Xe` because the ionisation undalpales of `O_(2)(1175 kJ mol^(-1)) `and `Xe (1170kJ mol^(-1))` atr quit comparable. (b) Except Rs, which is raductive , `Xe` has the inos ionsstion carbolpy among group `18` element and hence can be casily oxides by strong oxidising agents likes `F_(2) or O_(2)` .That is why majority of noble gas compound are that of semon. (c ) Helum does not from chemical compounds because (i) Electronic configuration of He is `1s^(2)` .The tempuring of electron cannot be done in the He and beat it cannotfrom chemical compound. (ii) Ionisetion codralpy of He is very high. |
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