MCQ
The dimesisation of $NO_2$ is accompanied with
- AAn increase in paramagnetism
- ✓a decreases in paramegnetism
- CNo change in paramagnetism
- DA darkening in colour
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(Given that $K_f = 5\,K\, kg\,mol^{-1},$ Molar mass of benzoic acid $= 122\,g\,mol^{-1}$ )

