The ortho/para directing group among the following is

  • A
    $-COOH$
  • B
    $-CN$
  • C
    $-COCH_3$
  • D
    $-NHCOCH_3$

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Similar Questions

Explain the mechanism of nucleophilic substitution reaction of $m$-nitrochlorobenzene at ortho and para positions.

Reaction of aqueous sodium hydroxide on $(i)$ ethyl bromide and $(ii)$ chlorobenzene gives:

In the given reaction sequence,the conversion of $Y$ to $Z$ is:

Match the reactants in Column-$I$ with their products in Column-$II$.
Column-$I$ (Reactants)Column-$II$ (Products)
$(A)$ $p$-Nitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 443 \ K}$$(i)$ Phenol
$(B)$ Chlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 623 \ K, 300 \ atm}$$(ii)$ $2,4,6$-Trinitrophenol
$(C)$ $2,4$-Dinitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 368 \ K}$$(iii)$ $2,4$-Dinitrophenol
$(D)$ $2,4,6$-Trinitrochlorobenzene $\xrightarrow{Warm \ H_2O}$$(iv)$ $p$-Nitrophenol

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Which one of the following reactions is $NOT$ possible?

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