Exam: Cambridge English: C1 Advanced (CAE)

Definition: A chemical compound that contains sulfur and is formed with another element, often a metal, where sulfur has a negative charge.

Example: Copper sulfide is commonly used in the production of semiconductors.

Definition: Relating to sulfite, a chemical compound that contains sulfur and oxygen.

Example: The sulfitic nature of the solution made it useful for preserving food.

Definition: A type of organic compound that contains sulfur and nitrogen, often used in medications known as sulfa drugs.

Example: Doctors sometimes prescribe sulfonamides to treat bacterial infections.

Definition: A type of chemical compound that is derived from sulfonic acid, often used in various industrial applications.

Example: The laboratory synthesized a new sulfonate for use in detergents.

Definition: To add one or more sulfonic acid groups to an organic compound.

Example: The chemist decided to sulfonate the compound to improve its solubility.

Definition: Changed by adding a specific chemical group that contains sulfur and oxygen, often used in chemistry and industry.

Example: The sulfonated compound is used in various cleaning products for its effectiveness.

Definition: To treat a compound with sulfuric acid or a sulfonic acid, introducing a sulfonate group into the compound.

Example: The chemist sulfonated the organic compound to enhance its solubility in water.

Definition: The process of adding a sulfonic acid group to an organic compound, which involves replacing a hydrogen atom with a sulfonic acid group, usually through a reaction with sulfuric acid.

Example: The sulfonation of benzene produces sulfonic acid derivatives that are useful in various chemical applications.

Definition: A type of organic compound that contains a sulfonyl group attached to two carbon atoms, often used in pharmaceuticals.

Example: Sulfones are used in some medications to treat certain diseases.

Definition: Relating to a specific chemical group that contains sulfur and oxygen, often used in chemistry to describe certain compounds.

Example: The researchers synthesized a new sulfonic compound for their experiment.

Definition: A type of ion or group that includes sulfur and carries a positive charge, often found in chemical compounds.

Example: In organic chemistry, sulfonium ions are important intermediates in various reactions.

Definition: A chemical group consisting of a sulfur atom bonded to two oxygen atoms, often found in various chemical compounds.

Example: The sulfonyl group is important in the synthesis of many pharmaceuticals.