The type of isomerism shown by cis- and trans- isomers is

If the silver mirror test is positive, it indicates the presence of an

If glucose is heated with concentration tetraoxosulphate (VI) acid, it will be dehydrated to

The IUPAC nomenclature for the structure above is

A hydrocarbon X with a molar mass of 26 consists of 92.3% carbon. What is its molecular formular?