Question 1

Determine the charge of aluminosilicate anion (Al2Si2O8)x-.

Accepted Answer

A)  2- 
B)  4- 
C)  6- 
A)  2- 
B)  4- 
C)  6- A

Question 2

Which of the following determine the properties of silicon polymers?
(i) synthesis temperature
(ii) polymer chain length
(iii) degree of cross-linking

Accepted Answer

A)  (i) and (iii) 
B)  (ii) and (iii). 
C)  (i) and (iii). 
A)  (i) and (iii) 
B)  (ii) and (iii). 
C)  (i) and (iii). B

Question 3

Which statement is correct?

Accepted Answer

A)  SnCl4 is a good reducing agent. 
B)  PbCl4 is stable. 
C)  GeCl4 is a Lewis acid. 
A)  SnCl4 is a good reducing agent. 
B)  PbCl4 is stable. 
C)  GeCl4 is a Lewis acid. C

Question 4

Why is SiH4 more reactive than CH4?
(i) Si is larger than C and is more susceptible to attack by nucleophiles.
(ii) Si-H bond is more polar.
(iii) Si has accessible 3d orbitals.

Accepted Answer

A)  (i) and (ii) 
B)  All of the above 
C)  (ii) and (iii) 
A)  (i) and (ii) 
B)  All of the above 
C)  (ii) and (iii)

Question 5

The ionic carbides containing C22- and C4- ions react with water to produce:

Accepted Answer

A)  hydrocarbon gas 
B)  CO2 gas 
C)  CO gas 
A)  hydrocarbon gas 
B)  CO2 gas 
C)  CO gas

Question 6

Some organotin and organogermanium compounds have a tendency to polymerize. How can we prevent this polymerization?

Accepted Answer

A)  Using bulky functional groups. 
B)  Keeping tin and germanium in lower oxidation states. 
C)  Running reactions at lower temperatures. 
A)  Using bulky functional groups. 
B)  Keeping tin and germanium in lower oxidation states. 
C)  Running reactions at lower temperatures.

Question 7

What is(are) the final product(s) of reaction between SiBr4 and excess of H2O?

Accepted Answer

A)  H2SiO4 and Br2 
B)  SiO2 and HBr 
C)  Si(OH)4 and HOBr 
A)  H2SiO4 and Br2 
B)  SiO2 and HBr 
C)  Si(OH)4 and HOBr

Question 8

Which of the following Group 14 elements is not obtained form an oxide ore?

Accepted Answer

A)  Si 
B)  Sn 
C)  Pb 
A)  Si 
B)  Sn 
C)  Pb

Question 9

Which of the following oxides is most stable?

Accepted Answer

A)  GeO 
B)  SnO 
C)  PbO 
A)  GeO 
B)  SnO 
C)  PbO

Question 10

Formation of diamond from graphite is favoured under:

Accepted Answer

A)  medium temperatures and high pressures 
B)  high temperatures and high pressures 
C)  high temperatures and medium pressures. 
A)  medium temperatures and high pressures 
B)  high temperatures and high pressures 
C)  high temperatures and medium pressures.

Determine the charge of aluminosilicate anion (Al₂Si₂O₈)^x^-.

Which of the following determine the properties of silicon polymers? (i) synthesis temperature (ii) polymer chain length (iii) degree of cross-linking

Which statement is correct?

Why is SiH₄ more reactive than CH₄? (i) Si is larger than C and is more susceptible to attack by nucleophiles. (ii) Si-H bond is more polar. (iii) Si has accessible 3d orbitals.

The ionic carbides containing C₂^2- and C^4- ions react with water to produce:

Some organotin and organogermanium compounds have a tendency to polymerize. How can we prevent this polymerization?

What is(are) the final product(s) of reaction between SiBr₄ and excess of H₂O?

Which of the following Group 14 elements is not obtained form an oxide ore?

Which of the following oxides is most stable?

Formation of diamond from graphite is favoured under:

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 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 14: The Group 14 Elements

Determine the charge of aluminosilicate anion (Al2Si2O8)x-.

Which of the following determine the properties of silicon polymers? (i) synthesis temperature (ii) polymer chain length (iii) degree of cross-linking

Which statement is correct?

Why is SiH4 more reactive than CH4? (i) Si is larger than C and is more susceptible to attack by nucleophiles. (ii) Si-H bond is more polar. (iii) Si has accessible 3d orbitals.

The ionic carbides containing C22- and C4- ions react with water to produce:

Some organotin and organogermanium compounds have a tendency to polymerize. How can we prevent this polymerization?

What is(are) the final product(s) of reaction between SiBr4 and excess of H2O?

Which of the following Group 14 elements is not obtained form an oxide ore?

Which of the following oxides is most stable?

Formation of diamond from graphite is favoured under:

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 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

Determine the charge of aluminosilicate anion (Al₂Si₂O₈)^x^-.

Why is SiH₄ more reactive than CH₄? (i) Si is larger than C and is more susceptible to attack by nucleophiles. (ii) Si-H bond is more polar. (iii) Si has accessible 3d orbitals.

The ionic carbides containing C₂^2- and C^4- ions react with water to produce:

What is(are) the final product(s) of reaction between SiBr₄ and excess of H₂O?