Question 1

Which of the following xenon oxides has not been identified?

Accepted Answer

A)  XeOS 
B)  Xe2O3 
C)  XeO4 
A)  XeOS 
B)  Xe2O3 
C)  XeO4 A

Question 2

The boiling and melting points of the Group 18 elements

Accepted Answer

A)  decrease down the group 
B)  increase down the group 
C)  first increase for the three periods, then remain almost constant 
A)  decrease down the group 
B)  increase down the group 
C)  first increase for the three periods, then remain almost constant B

Question 3

Identify the correct statement(s):
(i) Some xenon fluorides behave as Lewis acids.
(ii) Xenon fluorides are starting materials used in synthesis of other xenon compounds.
(iii) Xenon fluorides are excellent reducing agents.

Accepted Answer

A)  All three are correct. 
B)  (i) and (ii) 
C)  (ii) and (iii) 
A)  All three are correct. 
B)  (i) and (ii) 
C)  (ii) and (iii) B

Question 4

Radon has lower ionization energy than xenon, and we can expect it to be more reactive. Why is Rn chemistry less understood than xenon's?

Accepted Answer

A)  Rn is rare and radioactive. 
B)  Radon compounds are not very useful. 
C)  All available radon is used in industry rather than in laboratory. 
A)  Rn is rare and radioactive. 
B)  Radon compounds are not very useful. 
C)  All available radon is used in industry rather than in laboratory.

Question 5

Find the correct statement about the reaction conditions used in synthesis of xenon fluorides

Accepted Answer

A)  Decrease in pressure leads to formation of higher xenon fluorides 
B)  Higher reaction pressures are required for the synthesis of XeF6 than XeF4. 
C)  To prepare XeF6, it is enough to expose a stoichiometric mixture of Xe and F2 to light. 
A)  Decrease in pressure leads to formation of higher xenon fluorides 
B)  Higher reaction pressures are required for the synthesis of XeF6 than XeF4. 
C)  To prepare XeF6, it is enough to expose a stoichiometric mixture of Xe and F2 to light.

Question 6

What is one of the most frequent uses of the inert gases as a group?

Accepted Answer

A)  in light sources 
B)  in spectroscopic imaging 
C)  in breathing equipment (i.e. for divers and asthma patients) 
A)  in light sources 
B)  in spectroscopic imaging 
C)  in breathing equipment (i.e. for divers and asthma patients)

Question 7

Which compounds are commonly used as a source of alkyl and/or aryl groups in the synthesis of organoxenon compounds?

Accepted Answer

A)  Organoboron and organosilicon compounds 
B)  Grignard reagents 
C)  Organolithium reagents. 
A)  Organoboron and organosilicon compounds 
B)  Grignard reagents 
C)  Organolithium reagents.

Question 8

Which oxidation state is not expected in xenon chemistry?

Accepted Answer

A)  +2 
B)  +4 
C)  +5 
A)  +2 
B)  +4 
C)  +5

Question 9

Xenon cannot serve as a ligand in coordination chemistry.

Accepted Answer

A)  This statement is correct. 
B)  This statement is incorrect. 
C)  It is correct only if Xe is bonded to another atom (such as F). 
A)  This statement is correct. 
B)  This statement is incorrect. 
C)  It is correct only if Xe is bonded to another atom (such as F).

Question 10

Compounds of xenon such as HXeCl have been identified. How can this and similar compounds be prepared?

Accepted Answer

A)  Starting from a xenon fluoride and another common reagent (such as HCl) 
B)  The same method as for the synthesis of Xe fluorides: from the elements under high pressures and elevated temperatures. 
C)  A starting reagent (i.e. HCl) is dispersed in a large volume of Xe matrix and exposed to light. 
A)  Starting from a xenon fluoride and another common reagent (such as HCl) 
B)  The same method as for the synthesis of Xe fluorides: from the elements under high pressures and elevated temperatures. 
C)  A starting reagent (i.e. HCl) is dispersed in a large volume of Xe matrix and exposed to light.

Which of the following xenon oxides has not been identified?

The boiling and melting points of the Group 18 elements

Identify the correct statement(s): (i) Some xenon fluorides behave as Lewis acids. (ii) Xenon fluorides are starting materials used in synthesis of other xenon compounds. (iii) Xenon fluorides are excellent reducing agents.

Radon has lower ionization energy than xenon, and we can expect it to be more reactive. Why is Rn chemistry less understood than xenon's?

Find the correct statement about the reaction conditions used in synthesis of xenon fluorides

What is one of the most frequent uses of the inert gases as a group?

Which compounds are commonly used as a source of alkyl and/or aryl groups in the synthesis of organoxenon compounds?

Which oxidation state is not expected in xenon chemistry?

Xenon cannot serve as a ligand in coordination chemistry.

Compounds of xenon such as HXeCl have been identified. How can this and similar compounds be prepared?

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

Coordination Chemistry: Reactions of Complexes

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Biological Inorganic Chemistry

Inorganic Chemistry in Medicine

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Exam 18: The Group 18 Elements

Which of the following xenon oxides has not been identified?

The boiling and melting points of the Group 18 elements

Identify the correct statement(s): (i) Some xenon fluorides behave as Lewis acids. (ii) Xenon fluorides are starting materials used in synthesis of other xenon compounds. (iii) Xenon fluorides are excellent reducing agents.

Radon has lower ionization energy than xenon, and we can expect it to be more reactive. Why is Rn chemistry less understood than xenon's?

Find the correct statement about the reaction conditions used in synthesis of xenon fluorides

What is one of the most frequent uses of the inert gases as a group?

Which compounds are commonly used as a source of alkyl and/or aryl groups in the synthesis of organoxenon compounds?

Which oxidation state is not expected in xenon chemistry?

Xenon cannot serve as a ligand in coordination chemistry.

Compounds of xenon such as HXeCl have been identified. How can this and similar compounds be prepared?

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

Coordination Chemistry: Reactions of Complexes

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Biological Inorganic Chemistry

Inorganic Chemistry in Medicine

Filters