Which group is obtained by removing a hydrogen atom from an alkene?

Which substitution reaction is referred to as SE?

Which is the first synthesized organic compounds?

Which reaction combines two molecules into a single molecule with or without eliminating simple molecules?

Which cationic species carrying a positive charge on carbon?

Which of the following is the functional group of amine?

In which type of fission does an organic compound is exposed to ultraviolet region?

Which type of isomers have same molecular formula with different carbon skeletons?

Which compounds contains benzene ring in their structure?