3.  Resonance is not exhibited by
a) phenol                    b) aniline                 c) nitrobenzene                   d) cyclohexane

4.  Which of the following is aliphatic saturated hydrocarbon?
$$\begin{gathered} a. C_6{H}_6 \\ b. C_6{H}_{10} \\ c. C_6{H}_{12} \\ d. C_6{H}_{14} \end{gathered}$$

Dear Student,

3. Cyclohexane does not show resonance because it has no pi bonds.

4. C₆H₁₂. It is saturated & alliphatic.

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