JEE Advanced Chemistry question
Consider the following properties of the noble gases I. They readily form compounds which are colourless II. They generally do not form ionic compounds III. They have variable oxidation states in their compounds IV. Generally do not form covalent compounds Select the correct properties
Answer: (B)
Solution
Noble gases do *not* "readily" form compounds — only Xe (and to a lesser extent Kr, Rn) form a limited number of compounds under special conditions, so statement I is false. The handful of genuine noble-gas compounds (XeF2, XeF4, XeF6, XeO3, etc.) are essentially covalent, not ionic, confirming II is true; and xenon
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