Inorganic Chemistry Quizzes for Sixth Form College Year 13 Students

Question 1

Which property is NOT typically associated with transition metals?

Accepted Answer

Forming colorless ions in aqueous solutions

Answer

Forming ions with variable oxidation states

Answer

Possessing high melting and boiling points

Answer

Exhibiting paramagnetism

Question 2

Which property is NOT characteristic of transition metals?

Accepted Answer

Inertness

Answer

Variable oxidation states

Answer

Formation of coloured compounds

Answer

High melting and boiling points

Question 3

Which property is NOT typically associated with transition metals?

Accepted Answer

Flammability

Answer

Variable oxidation states

Answer

Formation of colorful compounds

Answer

High melting and boiling points

Question 4

Which property is NOT characteristic of transition metals?

Accepted Answer

Reactivity with water at room temperature

Answer

Multiple oxidation states

Answer

Brightly coloured compounds

Answer

High melting and boiling points

Question 5

Which of the following is **not** a characteristic of transition metals?

Accepted Answer

Common oxidation state of +2

Answer

Variable oxidation states

Answer

Formation of colored ions

Answer

Catalytic properties

Question 6

Which characteristic is NOT a property of transition metals?

Accepted Answer

Noble gas configuration

Answer

Incomplete d-orbitals

Answer

High electrical conductivity

Answer

Formation of colored ions

Question 7

Which property is not commonly associated with transition metals?

Accepted Answer

Radioactivity

Answer

High electrical conductivity

Answer

Malleability and ductility

Answer

Formation of colored compounds

Question 8

Which property is NOT characteristic of transition metals?

Accepted Answer

Radioactivity

Answer

High electrical conductivity

Answer

Malleability and ductility

Answer

Variable oxidation states

Question 9

Which property of transition metals is an exception to their general characteristics?

Accepted Answer

High melting points, except for mercury which is a liquid at room temperature

Answer

Form colored compounds due to d-d electron transitions

Answer

Exhibit variable oxidation states

Answer

Good conductors of heat and electricity

Question 10

Which characteristic is not commonly associated with transition metals?

Accepted Answer

Low density

Answer

Multiple oxidation states

Answer

Formation of colored compounds

Answer

High melting and boiling points

Question 11

Which of these is NOT a characteristic of transition metals?

Accepted Answer

They are all radioactive.

Answer

They conduct electricity well.

Answer

They can be hammered into sheets and drawn into wires.

Answer

They have high melting and boiling points.

Question 12

Which property is NOT characteristic of transition metals?

Accepted Answer

Low electrical conductivity

Answer

Variable oxidation states

Answer

High melting points

Answer

Ability to form coloured ions

Question 13

Which of the following ligands is a strong field ligand?

Accepted Answer

CN-

Answer

Cl-

Answer

H2O

Question 14

Which of the following properties is **not** characteristic of transition metals?

Accepted Answer

Low melting and boiling points

Answer

Good reducing agents

Answer

Form colored ions

Answer

Form stable complexes

Question 15

Which application does NOT involve coordination compounds?

Accepted Answer

Preserving flavors and colors in food

Answer

Catalyzing industrial reactions

Answer

Adding color to paints and dyes

Answer

Treating diseases as pharmaceuticals

Question 16

An octahedral complex contains a transition metal ion with a d⁴ electron configuration. What is the magnetic property of this complex?

Accepted Answer

Paramagnetic, due to the presence of two unpaired electrons.

Answer

Diamagnetic, as there are no unpaired electrons.

Question 17

Which property is NOT characteristic of transition metals?

Accepted Answer

Inertness

Answer

Variable oxidation states

Answer

Formation of coloured ions

Answer

High melting points

Question 18

Which property is **NOT** typically observed in transition metals?

Accepted Answer

Formation of diamagnetic compounds

Answer

Variable oxidation states

Answer

Good electrical and thermal conductivity

Answer

Formation of colored complexes

Question 19

Which mechanism is most likely involved in ligand substitution in an octahedral complex?

Accepted Answer

Associative

Answer

SN1

Answer

SN2

Question 20

Which of these is NOT a typical property of transition metals?

Accepted Answer

Having low melting points

Answer

Forming colored complexes

Answer

Exhibiting variable oxidation states

Answer

Being good electrical conductors

Question 21

Which of the following distinguishes transition metals from non-transition metals?

Accepted Answer

Transition metals have variable oxidation states.

Answer

Non-transition metals have variable oxidation states.

Answer

Both transition and non-transition metals have variable oxidation states.

Answer

Neither transition nor non-transition metals have variable oxidation states.

Question 22

Which of the following statements about the coordination complex [Fe(CN)6]4- is correct?

Accepted Answer

It has six cyanide ligands bonded to the iron ion through nitrogen atoms

Answer

It is a low-spin complex with d2 electronic configuration

Answer

It is a neutral complex

Answer

It contains a metal-metal bond

Question 23

Which statement about coordination compounds is not true?

Accepted Answer

Coordination compounds are always ionic compounds.

Answer

A metal ion is surrounded by ligands to form coordination compounds.

Answer

The coordination number of a metal ion indicates the maximum number of ligands it can bind.

Answer

The type and number of ligands influence the geometry of coordination compounds.

Question 24

The shape of the SF4 molecule is:

Accepted Answer

See-saw

Answer

Linear

Answer

Trigonal pyramidal

Answer

Square planar

Question 25

The hybridization of the nitrogen atom in the NH3 molecule is:

Accepted Answer

sp3

Answer

sp

Answer

sp2

Answer

sp3d

Question 26

Which substance is a strong electrolyte?

Accepted Answer

Sodium chloride

Answer

Sucrose

Answer

Water

Answer

Ethanol

Question 27

Which of the following coordination complexes exhibits geometric isomerism?

Accepted Answer

[Co(NH3)4Cl2]+

Answer

[Fe(CN)6]4-

Answer

[Ni(en)2Cl2]

Answer

[Cr(H2O)6]3+

Question 28

Which of the following is a strong-field ligand?

Accepted Answer

CN-

Answer

H2O

Answer

NH3

Answer

Cl-

Question 29

The half-life of a radioactive isotope is:

Accepted Answer

The time it takes for half of the radioactive atoms to decay

Answer

The time it takes for all of the radioactive atoms to decay

Answer

The time it takes for the activity of the isotope to decrease by half

Answer

The time it takes for the mass of the isotope to decrease by half

Question 30

Which of the following elements does NOT belong to Group 1 of the periodic table?

Accepted Answer

Calcium (Ca)

Answer

Lithium (Li)

Answer

Sodium (Na)

Answer

Potassium (K)

Question 31

Which oxide exhibits both acidic and basic properties?

Accepted Answer

Aluminium oxide (Al2O3)

Answer

Sodium oxide (Na2O)

Answer

Magnesium oxide (MgO)

Answer

Silicon dioxide (SiO2)

Question 32

In the complex ion [Fe(H2O)6]3+, what is the coordination number of the iron ion?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 33

Which of the following reactions represents a disproportionation reaction?

Accepted Answer

2Cu+ → Cu2+ + Cu

Answer

2H2O → 2H2 + O2

Answer

2NO2 → N2O4

Answer

2NH3 → N2 + 3H2

Question 34

Among the following acids, which one is the strongest?

Accepted Answer

Sulfuric acid (H2SO4)

Answer

Nitric acid (HNO3)

Answer

Hydrochloric acid (HCl)

Answer

Acetic acid (CH3COOH)

Question 35

What is the major product formed when sodium hydroxide (NaOH) reacts with hydrochloric acid (HCl)?

Accepted Answer

Sodium chloride (NaCl) and water (H2O)

Answer

Sodium hydroxide (NaOH) and chlorine gas (Cl2)

Answer

Sodium chloride (NaCl) and oxygen gas (O2)

Answer

Sodium hydroxide (NaOH) and hydrogen gas (H2)

Question 36

Which of the following properties of transition metals is NOT directly related to the presence of d-electrons?

Accepted Answer

High melting points

Answer

Variable oxidation states

Answer

Formation of coloured compounds

Answer

Paramagnetism

Question 37

Which element in the periodic table has the greatest electronegativity value?

Accepted Answer

Chlorine (Cl)

Answer

Aluminum (Al)

Answer

Silicon (Si)

Answer

Phosphorus (P)

Question 38

Which of the following compounds exhibits amphoteric properties?

Accepted Answer

Aluminum oxide (Al2O3)

Answer

Sodium oxide (Na2O)

Answer

Silicon dioxide (SiO2)

Answer

Calcium oxide (CaO)

Question 39

Lattice energy in ionic compounds is directly proportional to which factor?

Accepted Answer

Charge of the ions

Answer

Size of the ions

Answer

Solubility of the compound

Answer

Temperature

Question 40

Which species among the following is considered a strong reducing agent?

Accepted Answer

Hydrogen ion (H+)

Answer

Fluoride ion (F-)

Answer

Chloride ion (Cl-)

Answer

Bromide ion (Br-)

Question 41

In organic chemistry, which of the following is commonly used as an oxidizing agent?

Accepted Answer

Potassium permanganate (KMnO4)

Answer

Sodium borohydride (NaBH4)

Answer

Lithium aluminum hydride (LiAlH4)

Answer

Zinc (Zn)

Question 42

The Haber process is primarily used for the production of which chemical compound?

Accepted Answer

Ammonia (NH3)

Answer

Nitric acid (HNO3)

Answer

Sulfuric acid (H2SO4)

Answer

Hydrochloric acid (HCl)

Question 43

What is the defining characteristic of redox reactions?

Accepted Answer

Transfer of electrons between chemical species

Answer

Release of heat

Answer

Occurrence only in water-based solutions

Answer

Irrelevance to inorganic chemistry

Question 44

Which of the following is NOT a direct result of ligand field splitting in coordination complexes?

Accepted Answer

Increased potential energy

Answer

Crystal field stabilization energy

Answer

Magnetic properties

Answer

Spectroscopic properties

Question 45

What is the shape of the complex ion [Co(NH3)6]3+?

Accepted Answer

Octahedral

Answer

Tetrahedral

Answer

Square planar

Answer

Trigonal pyramidal

Question 46

Which of the following is a strong reducing agent?

Accepted Answer

Na

Answer

Fe

Answer

Cu

Answer

Zn

Question 47

Which of the following compounds is classified as a Lewis acid?

Accepted Answer

BF3

Answer

NH3

Answer

H2O

Answer

NaCl

Question 48

Which of the following is a noble gas?

Accepted Answer

Helium

Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Question 49

What is the IUPAC name for the compound Fe2O3?

Accepted Answer

Iron(III) oxide

Answer

Iron(II) oxide

Answer

Iron(IV) oxide

Answer

Iron oxide

Question 50

Which of the following is a major greenhouse gas?

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Oxygen

Answer

Water vapor

Question 51

Identify the molecular geometry of a molecule with sp2 hybridization.

Accepted Answer

Trigonal planar

Answer

Linear

Answer

Tetrahedral

Answer

Octahedral

Question 52

Determine the hybridization of the central atom in SF6.

Accepted Answer

sp3d

Answer

sp

Answer

sp2

Answer

sp3

Question 53

Identify the transition metal from the following:

Accepted Answer

Fe

Answer

Li

Answer

Cl

Answer

Ne

Question 54

Determine the coordination number of the metal ion in [Fe(CN)6]4-.

Accepted Answer

6

Answer

4

Answer

8

Answer

10

Question 55

Identify the Lewis acid from the following:

Accepted Answer

BF3

Answer

NH3

Answer

H2O

Answer

NaCl

Question 56

Provide the IUPAC name for the compound Na2SO4.

Accepted Answer

Sodium sulfate

Answer

Sodium(II) sulfate

Answer

Disodium sulfate

Answer

Sodium(IV) sulfate

Question 57

Which element is the most electronegative?

Accepted Answer

Fluorine

Answer

Chlorine

Answer

Bromine

Answer

Iodine

Question 58

What is the coordination number of the metal ion in the complex ion [Fe(CN)6]4-?

Accepted Answer

6

Answer

4

Answer

8

Answer

10

Question 59

Which ion is a transition metal ion?

Accepted Answer

Fe2+

Answer

Na+

Answer

Cl-

Answer

Ca2+

Question 60

Which compound is a weak acid?

Accepted Answer

Acetic acid

Answer

Hydrochloric acid

Answer

Sulfuric acid

Answer

Nitric acid

Question 61

What is the molar mass of sodium chloride (NaCl)?

Accepted Answer

58.5 g/mol

Answer

23 g/mol

Answer

35.5 g/mol

Answer

71 g/mol

Question 62

Which compound is amphoteric?

Accepted Answer

Zinc oxide

Answer

Sodium oxide

Answer

Calcium oxide

Answer

Silicon dioxide

Question 63

What is the coordination number of the metal ion in [Fe(CN)₆]^4-?

Accepted Answer

6

Answer

4

Answer

8

Answer

12

Question 64

Identify the Lewis acid in the following options:

Accepted Answer

BF3

Answer

NH3

Answer

H2O

Answer

CH4