Questions Related to Carbon & its Compounds
Updated on November 9, 2025 | By Learnzy Academy
Q21. Butanone is a four-carbon compound with the functional group
In butanone, the suffix “-one” shows the presence of a ketone group (C=O) attached to a middle carbon atom. Its structure is CH3–CO–C2H5.
So, the functional group in butanone is ketone (–CO–).
Q22. Ethane, with the molecular formula C2H6 has
Ethane (C2H6) has 7 covalent bonds. Each carbon atom joins with three hydrogen atoms and one other carbon atom. This makes 6 C–H bonds and 1 C–C bond. All the bonds are single bonds. So, ethane has a total of 7 covalent bonds.