318333 Which order is correct for the decreasing reactivity towards monobromination of the following compounds?
\({{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{C}}{{\rm{H}}_{\rm{3}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{COOH}},{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{O}}_{\rm{2}}}\)
\(\,\,\,\,\,\,\,\,\,{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{II}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\rm{III}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu}\,\,\,\,\,\,\, {\rm{IV}}\)

318334 Replacement of \(\mathrm{Cl}\) of chlorobenzene to give phenol requires drastic conditions, but \(\mathrm{Cl}\) of 2,4- dinitrochlorobenzene is readily replaced. This is because

318335 Among the following compounds, the decreasing order of reactivity towards electrophilic substitution is

318336 Assertion :
Aryl halides are less reactive towards substitution of halogen atom.
Reason :
Halogens are \({\text{o, p}}\) -directing in nature.

318333 Which order is correct for the decreasing reactivity towards monobromination of the following compounds?
\({{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{C}}{{\rm{H}}_{\rm{3}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{COOH}},{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{O}}_{\rm{2}}}\)
\(\,\,\,\,\,\,\,\,\,{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{II}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\rm{III}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu}\,\,\,\,\,\,\, {\rm{IV}}\)

318334 Replacement of \(\mathrm{Cl}\) of chlorobenzene to give phenol requires drastic conditions, but \(\mathrm{Cl}\) of 2,4- dinitrochlorobenzene is readily replaced. This is because

318335 Among the following compounds, the decreasing order of reactivity towards electrophilic substitution is

318336 Assertion :
Aryl halides are less reactive towards substitution of halogen atom.
Reason :
Halogens are \({\text{o, p}}\) -directing in nature.

318333 Which order is correct for the decreasing reactivity towards monobromination of the following compounds?
\({{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{C}}{{\rm{H}}_{\rm{3}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{COOH}},{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{O}}_{\rm{2}}}\)
\(\,\,\,\,\,\,\,\,\,{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{II}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\rm{III}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu}\,\,\,\,\,\,\, {\rm{IV}}\)

318334 Replacement of \(\mathrm{Cl}\) of chlorobenzene to give phenol requires drastic conditions, but \(\mathrm{Cl}\) of 2,4- dinitrochlorobenzene is readily replaced. This is because

318335 Among the following compounds, the decreasing order of reactivity towards electrophilic substitution is

318336 Assertion :
Aryl halides are less reactive towards substitution of halogen atom.
Reason :
Halogens are \({\text{o, p}}\) -directing in nature.

318333 Which order is correct for the decreasing reactivity towards monobromination of the following compounds?
\({{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{C}}{{\rm{H}}_{\rm{3}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{COOH}},{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{6}}},\;{{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{O}}_{\rm{2}}}\)
\(\,\,\,\,\,\,\,\,\,{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{II}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\rm{III}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu}\,\,\,\,\,\,\, {\rm{IV}}\)

318334 Replacement of \(\mathrm{Cl}\) of chlorobenzene to give phenol requires drastic conditions, but \(\mathrm{Cl}\) of 2,4- dinitrochlorobenzene is readily replaced. This is because

318335 Among the following compounds, the decreasing order of reactivity towards electrophilic substitution is

318336 Assertion :
Aryl halides are less reactive towards substitution of halogen atom.
Reason :
Halogens are \({\text{o, p}}\) -directing in nature.