Question

ethanol, an organic compound, has the following structural formula.
what is the chemical formula for ethanol?
ch₆o
c₂h₅o
c₂h₆o₂
c₂h₆o

Explanation:

Step1: Count carbon atoms

There are 2 carbon (C) atoms in the structural formula.

Step2: Count hydrogen atoms

Count all H atoms: \(5 + 1=6\) hydrogen (H) atoms.

Step3: Count oxygen atoms

There is 1 oxygen (O) atom.

Answer:

\(C_{2}H_{6}O\) (the fourth option)