Q. Which of the following does not show resonance effect?
Organic Chemistry – Some Basic Principles and Techniques
Solution:
Resonance effect involves delocalisation of $π$-electrons of two or more conjugated double bonds or non-bonding electrons and $π$-electrons of a double bond.
$\underset{\text{Isopropyl isothiocyanate}}{(CH_{3})_{2}CH - SC \equiv N}$ does not show resonance effect.
