How many double bonds are in #C_2H_4#?

1 Answer
Nov 8, 2015

Answer:

One double bond

Explanation:

That's ethylene and it just have one double bond. You can know if it's a simple, double or triple bond by the number of hydrogens: #C_2H_6#:three hydrogens per carbon, ethane, simple bond; #C_2H_4#: two hydrogens per carbon, ethylene, double bond; #C_2H_2#: one hydrogen per carbon, acetylene, triple bond.