Introduction to Inorganic Chemistry Quizzes | Chemistry | BEng

Question 1

Which of the following elements exhibits the largest atomic radius?

Accepted Answer

Rb

Answer

Li

Answer

Na

Answer

K

Question 2

What is the coordination geometry adopted by the complex ion [Fe(CN)6]4-?

Accepted Answer

Octahedral

Answer

Tetrahedral

Answer

Square planar

Answer

Trigonal bipyramidal

Question 3

What hybridization state describes the carbon atom in methane (CH4)?

Accepted Answer

sp3

Answer

sp

Answer

sp2

Answer

sp3d

Question 4

Which metal is considered a strong reducing agent?

Accepted Answer

Zinc (Zn)

Answer

Copper (Cu)

Answer

Iron (Fe)

Answer

Aluminum (Al)

Question 5

What is the correct IUPAC name for the compound Fe2O3?

Accepted Answer

Iron(III) oxide

Answer

Iron(II) oxide

Answer

Iron(II,III) oxide

Answer

Iron oxide

Question 6

Which species acts as a Lewis base?

Accepted Answer

Ammonia (NH3)

Answer

Hydrochloric acid (HCl)

Answer

Sodium cation (Na+)

Answer

Chloride anion (Cl-)

Question 7

Which of the following is a characteristic of organometallic compounds?

Accepted Answer

They contain metal-carbon bonds

Answer

They are all ionic

Answer

They are always diamagnetic

Answer

They are all coordination complexes

Question 8

Which of the following is a strong field ligand?

Accepted Answer

CN-

Answer

H2O

Answer

NH3

Answer

Cl-

Question 9

What is the difference between a sigma bond and a pi bond?

Accepted Answer

A sigma bond is formed by head-to-head overlap of orbitals, while a pi bond is formed by lateral overlap of orbitals

Answer

A sigma bond is formed by the overlap of one orbital from each atom, while a pi bond is formed by the overlap of two orbitals from each atom

Answer

A sigma bond can be formed between any two types of orbitals, while a pi bond can only be formed between p orbitals

Answer

A pi bond is always stronger than a sigma bond

Question 10

In coordination chemistry, the central metal ion in a coordination compound is surrounded by:

Accepted Answer

Ligands

Answer

Electrons

Answer

Protons

Answer

Neutrons

Question 11

The Lewis Dot structure of methane (CH4) contains:

Accepted Answer

4 single bonds

Answer

1 double bond and 2 single bonds

Answer

1 triple bond and 1 single bond

Answer

2 double bonds

Question 12

Which hybridization model best describes the shape of an octahedral molecule, such as SF6?

Accepted Answer

sp3d2

Answer

sp

Answer

sp2

Answer

sp3

Question 13

The reaction of sodium with chlorine gas primarily produces which compound?

Accepted Answer

Sodium chloride

Answer

Sodium hypochlorite

Answer

Sodium chlorate

Answer

Sodium perchlorate

Question 14

What is the correct empirical formula for sulfuric acid?

Accepted Answer

H2SO4

Answer

H2SO3

Answer

HSO3

Answer

HSO4

Question 15

The approximate pH of a 0.1 M solution of hydrochloric acid (HCl) is:

Accepted Answer

1

Answer

7

Answer

10

Answer

14

Question 16

Which of the following elements is classified as a transition metal?

Accepted Answer

Chromium

Answer

Sodium

Answer

Calcium

Answer

Aluminium

Question 17

To detect chloride ions in an aqueous solution, which reagent is typically employed?

Accepted Answer

Silver nitrate

Answer

Sodium hydroxide

Answer

Potassium permanganate

Question 18

Down group 1, which is the correct order of increasing atomic radius?

Accepted Answer

Li < Na < K < Rb < Cs

Answer

Li < K < Na < Rb < Cs

Answer

Rb < Na < Li < K < Cs

Answer

Cs < Rb < K < Na < Li

Question 19

Which of the following is not a type of coordination complex?

Accepted Answer

Ligand

Answer

Tetrahedral

Answer

Octahedral

Answer

Square planar

Question 20

Which of the following is an example of an organometallic compound?

Accepted Answer

Ferrocene

Answer

Water

Answer

Carbon dioxide

Answer

Sodium chloride

Question 21

Which of the following statements about inorganic chemistry is accurate?

Accepted Answer

Inorganic chemistry involves studying compounds that lack carbon-hydrogen bonds.

Answer

Inorganic chemistry is solely concerned with synthesizing new compounds.

Answer

Inorganic chemistry has no practical applications in the real world.

Question 22

Which of the following is a Lewis acid?

Accepted Answer

BF3

Answer

H2O

Answer

CH4

Answer

NH3