Question

Write the structure of 1-chloro-4-ethylcyclohexane.

Hint:

Always begin substituent numbering to give the lowest possible number to the substituent with alphabetical priority.

Answer 1

Step 1: Draw a cyclohexane ring with six carbon atoms.
Step 2: Number the ring such that carbon-1 has a chlorine (Cl) atom.
Step 3: Place an ethyl group (\(-CH_2CH_3\)) on carbon-4 of the ring.
Step 4: This gives the correct structure of 1-chloro-4-ethylcyclohexane.
\[ \text{Structure:} Cl-[:30]-*6(-CH_2CH_3=-=-=-=) \]