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Q.
$Xe^{+}PtF_{Y}^{-}$ was the one of the first compounds made from a noble gas. The value of $Y$ in this compound is
NTA AbhyasNTA Abhyas 2022
Solution:
The first compound of noble gas is $XePtF_{6}$ and was discovered by Neil Bartlett. First, he prepared a red compound which is formulated as $O_{2}^{+}PtF_{6}^{-}$ . He, then realised that the first ionisation enthalpy of molecular oxygen was almost identical with that of xenon. Based on this he was successful in preparing another red colour compound $Xe^{+}PtF_{6}^{-}$ by mixing $PtF_{6}$ and xenon.