MolSynapsequestion bank

MolSynapse / Question bank / p-Block Elements: Groups 17 and 18 / Structures and hybridisation of xenon compounds

JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ph216

Select the correct statement(s).

A $XeF X_{6}$ accepts fluoride from a metal fluoride such as RbF to form $Rb [XeF X_{7}]$
B $XeF X_{6}$ donates fluoride to $BF X_{3}$ to give $[XeF X_{5}] X^{+} [BF X_{4}] X^{-}$
C $XeF X_{5} X^{+}$ is isostructural with $IF X_{5}$
D $XeF X_{7} X^{-}$ is isoelectronic with $IF X_{7}$ (same number of valence electrons)

Answer: A, B, C

XeF X_{6}

acts as a fluoride acceptor with RbF and as a fluoride donor with

BF X_{3}

.

XeF X_{5} X^{+}

has

8 + 35 - 1 = 42

valence electrons, the same as

IF X_{5}

(

7 + 35

), and both are square pyramidal with one lone pair.

XeF X_{7} X^{-}

has

8 + 49 + 1 = 58

valence electrons while

IF X_{7}

has

7 + 49 = 56

, so they are not isoelectronic. Options 1, 2 and 3 are correct.

Practice p-Block Elements: Groups 17 and 18 More on Structures and hybridisation of xenon compounds

Previous questionNext question

More questions on Structures and hybridisation of xenon compounds

Select the correct statement(s) about the hydrolysis of xenon fluorides. JEE Advanced level
Match List I with List II. List I: (P) XeOF4 (Q) XeO3 (R) XeO2F2 (S) XeF6. List II: (1) sp^3d^2, square pyramidal (2) sp^3, trigonal pyramid... JEE Advanced level
Which set of conditions is used to obtain mainly XeF6 from xenon and fluorine? JEE Main level
Which species is isoelectronic (same number of valence electrons) and isostructural with XeO3? JEE Main level
Select the correct statement(s) about the oxides and oxyfluorides of xenon. JEE Advanced level
First ionisation enthalpies (kJ mol^-1): He 2372, Ne 2081, Ar 1521, Kr 1351, Xe 1170, Rn 1037; O2 1175. Select the correct statement(s). JEE Advanced level