(Solved): The molecular formula fits the formula CH which indicates one degree of unsaturation, meaning ...

The molecular formula fits the formula C?H? which indicates one degree of unsaturation, meaning either a double bond or ring is present. n' Step 1: Start by drawing all the isomers with double bonds. The simplest case will be a 5-carbon chain where there is a double bond in the main chain. Draw the constitutional isomers that fit this condition.