Question 1

Which of the following is not an industrial process for isolation of elemental sulfur:

Accepted Answer

A)  Oswald process 
B)  Frasch process 
C)  Claus process 
A)  Oswald process 
B)  Frasch process 
C)  Claus process A

Question 2

If a mixture of H2S2O7 and H2SO4 contains HS2O7- and H3SO4+, what can be concluded about relative strengths of these two acids:

Accepted Answer

A)  H2SO4 is a stronger acid than H2S2O7 
B)  H2SO4 is a weaker acid than H2S2O7 
C)  H2S2O7 is more basic than H2SO4 
A)  H2SO4 is a stronger acid than H2S2O7 
B)  H2SO4 is a weaker acid than H2S2O7 
C)  H2S2O7 is more basic than H2SO4 B

Question 3

Find incorrect statement regarding low reactivity of O2 molecule.

Accepted Answer

A)  It has a high bond energy. 
B)  Its electronic configuration does not allow for Lewis acid/base reactivity. 
C)  It easily forms stable complexes that impede any further reactivity. 
A)  It has a high bond energy. 
B)  Its electronic configuration does not allow for Lewis acid/base reactivity. 
C)  It easily forms stable complexes that impede any further reactivity. C

Question 4

Find correct statement(s) about sulfur oxides:
(i) SO2 is neither a Lewis acid nor a Lewis base.
(ii) Both SO2 and SO3 are acidic oxides.
(iii) SO2 is produced on a large scale in industry.

Accepted Answer

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

Question 5

Which polyanions frequently have bicyclic structures?

Accepted Answer

A)  Polysulfides. 
B)  Polyselenides. 
C)  Polytellurides. 
A)  Polysulfides. 
B)  Polyselenides. 
C)  Polytellurides.

Question 6

Which of the following species has the longest O-O bond:
(i) O2
(ii) O2-
(iii) O22-

Accepted Answer

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

Question 7

Which metals form disulfides with layered structure?

Accepted Answer

A)  4d metals 
B)  3d metals 
C)  s block metals 
A)  4d metals 
B)  3d metals 
C)  s block metals

Question 8

A steady increase in boiling points for hydrides of sulfur, selenium and tellurium can be attributed to:

Accepted Answer

A)  A decrease in vapour pressure 
B)  An increase in molecular weight 
C)  A decrease in hydrogen bond strength. 
A)  A decrease in vapour pressure 
B)  An increase in molecular weight 
C)  A decrease in hydrogen bond strength.

Question 9

Which of the following acids is an example of a polythionic acid?

Accepted Answer

A)  H2S2O7. 
B)  H2S6O6. 
C)  H2S2 
A)  H2S2O7. 
B)  H2S6O6. 
C)  H2S2

Question 10

Both S4N4 and S2N2 are:

Accepted Answer

A)  thermodynamically unstable 
B)  common precursors for sulfur chemistry in low oxidation states 
C)  easy to handle. 
A)  thermodynamically unstable 
B)  common precursors for sulfur chemistry in low oxidation states 
C)  easy to handle.

Which of the following is not an industrial process for isolation of elemental sulfur:

If a mixture of H₂S₂O₇ and H₂SO₄ contains HS₂O₇^- and H₃SO₄⁺, what can be concluded about relative strengths of these two acids:

Find incorrect statement regarding low reactivity of O₂ molecule.

Find correct statement(s) about sulfur oxides: (i) SO₂ is neither a Lewis acid nor a Lewis base. (ii) Both SO₂ and SO₃ are acidic oxides. (iii) SO₂ is produced on a large scale in industry.

Which polyanions frequently have bicyclic structures?

Which of the following species has the longest O-O bond: (i) O₂ (ii) O₂^- (iii) O₂^2-

Which metals form disulfides with layered structure?

A steady increase in boiling points for hydrides of sulfur, selenium and tellurium can be attributed to:

Which of the following acids is an example of a polythionic acid?

Both S₄N₄ and S₂N₂ are:

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 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

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Exam 16: The Group 16 Elements

Which of the following is not an industrial process for isolation of elemental sulfur:

If a mixture of H2S2O7 and H2SO4 contains HS2O7- and H3SO4+, what can be concluded about relative strengths of these two acids:

Find incorrect statement regarding low reactivity of O2 molecule.

Find correct statement(s) about sulfur oxides: (i) SO2 is neither a Lewis acid nor a Lewis base. (ii) Both SO2 and SO3 are acidic oxides. (iii) SO2 is produced on a large scale in industry.

Which polyanions frequently have bicyclic structures?

Which of the following species has the longest O-O bond: (i) O2 (ii) O2- (iii) O22-

Which metals form disulfides with layered structure?

A steady increase in boiling points for hydrides of sulfur, selenium and tellurium can be attributed to:

Which of the following acids is an example of a polythionic acid?

Both S4N4 and S2N2 are:

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 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

If a mixture of H₂S₂O₇ and H₂SO₄ contains HS₂O₇^- and H₃SO₄⁺, what can be concluded about relative strengths of these two acids:

Find incorrect statement regarding low reactivity of O₂ molecule.

Find correct statement(s) about sulfur oxides: (i) SO₂ is neither a Lewis acid nor a Lewis base. (ii) Both SO₂ and SO₃ are acidic oxides. (iii) SO₂ is produced on a large scale in industry.

Which of the following species has the longest O-O bond: (i) O₂ (ii) O₂^- (iii) O₂^2-

Both S₄N₄ and S₂N₂ are: