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Among noble gases, Xe is quite reactive...

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excited to 5d orbitals. The predicted shapes of xenon fluorides are linear, square planar and distorted octahedron. The shapes of xeon oxyfluorides can be prodicted by VSEPR theory.

A

tetrahedral

B

Square pyramid

C

square planar

D

octahedral

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The correct Answer is:
C
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The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and O. Although Xe forms several fluorides, xenone tetrafluoride is the most important among fluorides. The various compounds of xenon involve xenon in first, second or third excited states. The type of hybridisation and shape of XeF_(2) respectively are

The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and O. Although Xe forms several fluorides, xenone tetrafluoride is the most important among fluorides. The various compounds of xenon involve xenon in first, second or third excited states. The type of hybridisation and number of lone pair (s) of electrons on Xe in XeOF_(2) respectively are

Statement I : Compared to other noble gases 'Xe' is chemically active. Statement II : 'Xe' has low IP value and vacant 'd' orbitals, available for the excitation of electrons from 'p' orbitals of valence shell.

Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is falese : (I) The order of repulsion between different pair of electron is I_(p)-I_(p)gtI_(p)-b_(p)gtb_(p)-b_(p) (II) In general, as the number o flone pair of electron on central atom increases, value of bond angle from normal bond angle also increases (III) The number of lone pair on O in H_(2)O is 2 while on N in NH_(3) is 1 (IV) The structures of xenon fluorides and xenon oxyfluorides could not be explained on the basis of VSEPR theory

The noble gases are chemically inert due to high ionization enthalpy, positive electron gains enthalpy and presence of completely filled orbitals. However, Xe forms a number of compounds such as XePtF_(6) XeF_(2), XeF_(4), XeF_(6) and a number of xenon oxides and oxy fluorides. Xenon fluorides react with fluoride ion acceptors such as PF_(5), AsF_(5), SbF_(3) etc. to form cationic species but with fluoride ion donors such as alkali metal fluorides they forms anionic fluoroanions. They are also hydrolysed by water but their reactivity increases with oxidation state of Xe. The shape and hybridisation of some Xenon oxygen fluorides are given. Select the wrong answer.

The noble gases are chemically inert due to high ionization enthalpy, positive electron gains enthalpy and presence of completely filled orbitals. However, Xe forms a number of compounds such as XePtF_(6) XeF_(2), XeF_(4), XeF_(6) and a number of xenon oxides and oxy fluorides. Xenon fluorides react with fluoride ion acceptors such as PF_(5), AsF_(5), SbF_(3) etc. to form cationic species but with fluoride ion donors such as alkali metal fluorides they forms anionic fluoroanions. They are also hydrolysed by water but their reactivity increases with oxidation state of Xe. The number of lone pairs and bond pairs of electrons around Xe in XeOF_(4) respectively are

The noble gases are chemically inert due to high ionization enthalpy, positive electron gains enthalpy and presence of completely filled orbitals. However, Xe forms a number of compounds such as XePtF_(6) XeF_(2), XeF_(4), XeF_(6) and a number of xenon oxides and oxy fluorides. Xenon fluorides react with fluoride ion acceptors such as PF_(5), AsF_(5), SbF_(3) etc. to form cationic species but with fluoride ion donors such as alkali metal fluorides they forms anionic fluoroanions. They are also hydrolysed by water but their reactivity increases with oxidation state of Xe. Which of the following is not formed by Xe ?

The noble gases are chemically inert due to high ionization enthalpy, positive electron gains enthalpy and presence of completely filled orbitals. However, Xe forms a number of compounds such as XePtF_(6) XeF_(2), XeF_(4), XeF_(6) and a number of xenon oxides and oxy fluorides. Xenon fluorides react with fluoride ion acceptors such as PF_(5), AsF_(5), SbF_(3) etc. to form cationic species but with fluoride ion donors such as alkali metal fluorides they forms anionic fluoroanions. They are also hydrolysed by water but their reactivity increases with oxidation state of Xe. When XeF_(4) is treated with water, it forms ?

NARAYNA-18TH GROUP ELEMENTS-LEVEL - V
  1. Which of the following statement is wrong ?

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  2. Which one of the following reaction of xenon compounds is not Feasible...

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  3. The hydrolysis of XeF(6) takes place in the following steps : XeF(6) r...

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  4. Which of the following statement(s) is/are correct ?

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  5. Which of the following are correctly matched ?

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  6. XeF(6) on hydrolysis gives

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  7. White crystalline solid (A) reacts with H2 to form a highly associated...

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  8. White crystalline solid (A) reacts with H2 to form a highly associated...

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  9. White crystalline solid (A) reacts with H2 to form a highly associated...

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  10. Among noble gases, Xe is quite reactive and form a number of fluoride...

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  11. Among noble gases, Xe is quite reactive and form a number of fluoride...

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  12. Among noble gases, Xe is quite reactive and form a number of fluoride...

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  13. Match the following :

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  14. Which one of the following does not exist ? (i) XeOF(4) (ii) NeF(2) ...

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  15. Assertion : XeF(6) cannot be stored in the dry glass bottles Reason ...

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  16. The number of (p pi- p pi) bonds in XeO(4) is :

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  17. The number of pi bonds in perxenate ion is :

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  18. In XeOF(2) number of lone pairs on cetral atom is 'a' and number of bo...

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  19. XeF(6) reacts with silica to form xenon compound X. The oxidation stat...

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  20. In argon, find the numer of electrons with spin value +(1)/(2)

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