Chemistry

Chemical Nomenclature

95 Questions

Chemical nomenclature focuses on writing standard IUPAC names for organic and inorganic compounds. This topic is essential for chemistry sections across science exams. Regular practice helps in quickly identifying functional groups and structural priority.

organic compound naminginorganic compound namingIUPAC naming rulesfunctional groups

Chemical Nomenclature Questions

Multiple choice

What is the name of the compound with the formula $CO_2$?

  1. Carbon dioxide

  2. Carbon monoxide

  3. Methane

  4. Ethane
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The compound with the formula $CO_2$ is called carbon dioxide, a colorless, odorless gas.

Multiple choice

What is the IUPAC name of the compound [Fe(CO)5]?

  1. Iron pentacarbonyl

  2. Pentacarbonyl iron

  3. Iron(II) pentacarbonyl

  4. Pentacarbonyl iron(0)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The IUPAC name of the compound [Fe(CO)5] is iron pentacarbonyl.

Multiple choice

What is the name of the compound formed when calcium reacts with fluorine?

  1. Calcium fluoride

  2. Calcium difluoride

  3. Calcium trifluoride

  4. Calcium tetrafluoride

  5. Calcium pentafluoride
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcium reacts with fluorine to form calcium fluoride (CaF2), a white, crystalline compound that is commonly used as a flux in metallurgy and in the production of glass and ceramics.

Multiple choice

What is the IUPAC name of silicon carbide?

  1. Silicon(IV) carbide

  2. Silicon carbide

  3. Silicon dicarbide

  4. Silicon tetracarbide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The IUPAC name of silicon carbide is silicon(IV) carbide.

Multiple choice

What is the name of the compound with the formula CH4?

  1. Methane

  2. Ethane

  3. Propane

  4. Butane
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Methane has the chemical formula CH4 and is the simplest hydrocarbon, consisting of one carbon atom and four hydrogen atoms.