JEE Advanced 2019 Chemistry question

ChemistryThe p-Block ElementsJEE Advanced 2019

At 143 K, the reaction of with produces a xenon compound **Y**. The total number of lone pair(s) of electrons present on the whole molecule of **Y** is

Answer: 19

Solution

, so Y is . Xe has 8 valence electrons; 6 are used

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Question ID VK-026839