The correct answer is C. Cyanides.
Organic compounds are compounds that contain carbon and hydrogen atoms. They are found in all living things, and they are also produced by humans in a variety of ways. Organic compounds are essential for life, and they are used in a wide range of products, including food, fuel, and medicine.
Cyanides are compounds that contain carbon and nitrogen atoms. They are not considered to be organic compounds because they do not contain hydrogen atoms. Cyanides are poisonous, and they can be fatal if ingested or inhaled. They are used in a variety of industrial processes, and they are also used in some types of explosives.
Methane, nucleic acids, and propane are all organic compounds. Methane is the simplest organic compound, and it is the main component of natural gas. Nucleic acids are complex molecules that are found in the cells of all living things. They are responsible for storing and transmitting genetic information. Propane is a gas that is used as a fuel.
In conclusion, the correct answer to the question “Which of the following are amongst the few carbon-containing compounds not classified as organic?” is C. Cyanides.