Sorry, I tried asking the same question but got no replies, do you mean alkane or alkene??? ------ Alkene: hydrocarbons with the general chemical formula CnH2n; the old synonym is olefins.
alkenes undergo hydration to become alcohols
cracking maybe?
NaCl
The first solar cell was made by Charles Fritts in 1883. He created junctions by putting a very thin coat of gold on selenium.