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MolSynapse / Question bank / p-Block Elements: Groups 17 and 18 / Noble gases: xenon fluorides, oxides and oxyfluorides

JEE Main levelSingle correct optionDifficulty 2 of 3ph122

The number of moles of water required per mole of $XeF X_{6}$ to give only $XeO X_{2} F X_{2}$ and $HF$ is

A1
B2
C3
D4

Answer: B

Balance H: 4 HF needs 4 H, so 2

H X_{2} O

are needed. Check O: 2 O from water go into

XeO X_{2} F X_{2}

. The answer is 2 mol.

Practice p-Block Elements: Groups 17 and 18 More on Noble gases: xenon fluorides, oxides and oxyfluorides

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