Question 1

Find the correct name for B5H9:

Accepted Answer

A)  pentaborane-9-hydride 
B)  pentaboranenonahydride 
C)  pentaborane(9) 
A)  pentaborane-9-hydride 
B)  pentaboranenonahydride 
C)  pentaborane(9) C

Question 2

What do BCl3 and AlCl3 have in common?

Accepted Answer

A)  Both are strong Lewis acids. 
B)  Both are ionic compounds. 
C)  Both dissolve little in water. 
A)  Both are strong Lewis acids. 
B)  Both are ionic compounds. 
C)  Both dissolve little in water. A

Question 3

Why are compounds formed between elements of Group 13 and Group 15 important?

Accepted Answer

A)  All of them are very hard materials. 
B)  They are semiconductors. 
C)  They are important raw materials. 
A)  All of them are very hard materials. 
B)  They are semiconductors. 
C)  They are important raw materials. B

Question 4

Different borate structures are composed of these two simple structural building blocks:

Accepted Answer

A)  three coordinate and five coordinate boron-oxygen species 
B)  three coordinate and four coordinate boron-oxygen species 
C)  four coordinate and five coordinate boron-oxygen species 
A)  three coordinate and five coordinate boron-oxygen species 
B)  three coordinate and four coordinate boron-oxygen species 
C)  four coordinate and five coordinate boron-oxygen species

Question 5

Find the correct statement:

Accepted Answer

A)  The stability of +1 oxidation state increases down Group 13. 
B)  The stability of +3 oxidation state increases down Group 13. 
C)  There is no clear trend in the stability of oxidation states in Group 13. 
A)  The stability of +1 oxidation state increases down Group 13. 
B)  The stability of +3 oxidation state increases down Group 13. 
C)  There is no clear trend in the stability of oxidation states in Group 13.

Question 6

Suggest the structure for B5H9:

Accepted Answer

A)  closo 
B)  nido 
C)  arachno 
A)  closo 
B)  nido 
C)  arachno

Question 7

Find the correct statement:

Accepted Answer

A)  Al+ is a strong reducing agent while Tl3+ is a strong oxidizing agent. 
B)  Both Al3+ and Tl3+ are oxidizing. 
C)  Al2O and Tl2O are both very stable compounds. 
A)  Al+ is a strong reducing agent while Tl3+ is a strong oxidizing agent. 
B)  Both Al3+ and Tl3+ are oxidizing. 
C)  Al2O and Tl2O are both very stable compounds.

Question 8

Find the correct statement:

Accepted Answer

A)  B-N compounds are more reactive than analogue organic compounds. 
B)  B-N compounds are less polar than analogue organic compounds. 
C)  Cubic BN is harder than diamond. 
A)  B-N compounds are more reactive than analogue organic compounds. 
B)  B-N compounds are less polar than analogue organic compounds. 
C)  Cubic BN is harder than diamond.

Question 9

Which of the following boron compounds is not planar?

Accepted Answer

A)  BF3 
B)  B2F4. 
C)  B4Cl4. 
A)  BF3 
B)  B2F4. 
C)  B4Cl4.

Question 10

Find the most hydridic hydride.

Accepted Answer

A)  B2H6 
B)  AlH3 
C)  GaH3 
A)  B2H6 
B)  AlH3 
C)  GaH3

Find the correct name for B₅H₉:

What do BCl₃ and AlCl₃ have in common?

Why are compounds formed between elements of Group 13 and Group 15 important?

Different borate structures are composed of these two simple structural building blocks:

Find the correct statement:

Suggest the structure for B₅H₉:

Find the correct statement:

Find the correct statement:

Which of the following boron compounds is not planar?

Find the most hydridic hydride.

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 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 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

Exam 13: The Group 13 Elements

Find the correct name for B5H9:

What do BCl3 and AlCl3 have in common?

Why are compounds formed between elements of Group 13 and Group 15 important?

Different borate structures are composed of these two simple structural building blocks:

Find the correct statement:

Suggest the structure for B5H9:

Find the correct statement:

Find the correct statement:

Which of the following boron compounds is not planar?

Find the most hydridic hydride.

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 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 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

Find the correct name for B₅H₉:

What do BCl₃ and AlCl₃ have in common?

Suggest the structure for B₅H₉: