Question

What is hydrocarbons?
What is alkenes or olefins?

Answer 1

hyy mate ✌️

Hydrocarbons is the combination of hydrogen and carbon..

an alkene is an unsaturated hydrocarbon that contains a carbon–carbon double bond (unsaturated hydrocarbons containing two or more double bonds and are known as alkadienes, alkatrienes, alkatetraenes, and so on, the suffix denoting the number of double bonds).[1] The words alkene and olefin are often used interchangeably (see nomenclature section below). Acyclic alkenes, with only one double bond and no other functional groups, known as mono-enes, form a homologous series of hydrocarbons with the general formula CnH2n.[2] Alkenes have two hydrogen atoms fewer than the corresponding alkane (with the same number of carbon atoms). The simplest alkene, ethylene (C2H4), with the IUPAC name ethene, is the organic compound produced on the largest scale industrially.[3] Aromatic compounds are often drawn as cyclic alkenes, but their structure and properties are different and they are not considered to be alkenes.

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Answer 2

Ans-1. Hydrocarbons are the compounds of carbon and hydrogen only. They are of two types, i.e. saturated hydrocarbon having only one single bond between two carbon atoms and another is unsaturated hydrocarbon, they have atleast one multiple bond (i.e. double or triple bond) between two carbon atoms alongwith the single bonds.

Ans-2. These have carbon-carbon double bonds alongwith single bonds.