Question

What is the name of CH=CH2 ​

Answer 1

It is bute -1,3 diene . As the compound has 4 carbons we state it with “ bute” and the 2 double bonds at 1 and 3 postions state the 1,3 di-ene . So in the overall look we can name it as bute-1,3 di-ene as per IUPAC

Answer 2

CH2 is the chemical name for methylene and belongs to the general compound category of Alkenes. It comprises of a single carbon atom bonded with 2 hydrogen atoms . The general formula for alkenes is C(n)H(2n) with n denoting the number of carbon atoms and thus deciding the name of the compound.

Step-by-step explanation: