MHT CET · Chemistry · Haloalkanes and Haloarenes
Which of the following compounds has difficulty in breaking the \(\mathrm{C}-\mathrm{Cl}\) bond?
- A o-Nitrochlorobenzene
- B m-Nitrochlorobenzene
- C p-Nitrochlorobenzene
- D 2,4,6 -trinitrochlorobenzene
Answer & Solution
Correct Answer
(B) m-Nitrochlorobenzene
Step-by-step Solution
Detailed explanation
Greater the number of electron withdrawing groups at o/p position, greater is the reactivity of haloarenes towards substitution of halogen atom.
Electron withdrawing group at meta position has practically no effect on reactivity. Hence breaking the \(\mathrm{C}-\mathrm{Cl}\) bond is the most difficult in m -nitrochlorobenzene.
Electron withdrawing group at meta position has practically no effect on reactivity. Hence breaking the \(\mathrm{C}-\mathrm{Cl}\) bond is the most difficult in m -nitrochlorobenzene.
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