Directive Influence of a Functional Group in Monosubstituted Benzene
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CHXI13:HYDROCARBONS

318312 In the following reaction sequence,
\({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{6}}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{HN}}{{\text{O}}_{\text{3}}}}}{\text{X}}\xrightarrow[{{\text{C}}{{\text{l}}_{\text{2}}}}]{{{\text{FeC}}{{\text{l}}_{\text{3}}}}}{\text{Y}}\)
Identify Y.

1 3-Nitrochlorobenzene
2 1-Nitrochlorobenzene
3 4-Nitrochlorobenzene
4 2-Nitrochlorobenzene
CHXI13:HYDROCARBONS

318313 Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds :
supporting img

1 \({\text{I > II > III > IV}}\)
2 \({\text{IV > III > II > I}}\)
3 \({\text{II > I > III > IV}}\)
4 \({\text{II > III > I > IV}}\)
CHXI13:HYDROCARBONS

318314 The increasing order of nitration of the following compounds is:
supporting img

1 (1) \( < \) (2) \( < \) (4) \( < \) (3)
2 (1) \( < \) (2) \( < \) (3) \( < \) (4)
3 (2) \( < \) (1) \( < \) (3) \( < \) (4)
4 (2) \( < \) (1) \( < \) (4) \( < \) (3)
JEE - 2018
CHXI13:HYDROCARBONS

318315 \({\text{Benzene}}{\mkern 1mu} \xrightarrow[{{\text{ Anhydrous AlC}}{{\text{l}}_{\text{3}}}}]{{{\text{C}}{{\text{H}}_{\text{3}}}{\text{Cl}}}}{\mkern 1mu} {\text{X}}{\mkern 1mu} {\mkern 1mu} \xrightarrow[{{\text{373 - 383}}\;{\text{K}}}]{{{\text{KMn}}{{\text{O}}_{\text{4}}} \cdot \;{{\text{H}}^{{\text{ + }}}}}}{\mkern 1mu} {\text{Y}}{\mkern 1mu} \)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow[{{\text{ conc}}{\text{. HN}}{{\text{O}}_{\text{3}}}.\Delta }]{{{\text{ conc}}{\text{. }}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Z}}\)
How many electron-withdrawing substituents are present in the final product ' \({\mathrm{Z}}\) '?

1 4
2 2
3 1
4 0
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CHXI13:HYDROCARBONS

318312 In the following reaction sequence,
\({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{6}}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{HN}}{{\text{O}}_{\text{3}}}}}{\text{X}}\xrightarrow[{{\text{C}}{{\text{l}}_{\text{2}}}}]{{{\text{FeC}}{{\text{l}}_{\text{3}}}}}{\text{Y}}\)
Identify Y.

1 3-Nitrochlorobenzene
2 1-Nitrochlorobenzene
3 4-Nitrochlorobenzene
4 2-Nitrochlorobenzene
CHXI13:HYDROCARBONS

318313 Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds :
supporting img

1 \({\text{I > II > III > IV}}\)
2 \({\text{IV > III > II > I}}\)
3 \({\text{II > I > III > IV}}\)
4 \({\text{II > III > I > IV}}\)
CHXI13:HYDROCARBONS

318314 The increasing order of nitration of the following compounds is:
supporting img

1 (1) \( < \) (2) \( < \) (4) \( < \) (3)
2 (1) \( < \) (2) \( < \) (3) \( < \) (4)
3 (2) \( < \) (1) \( < \) (3) \( < \) (4)
4 (2) \( < \) (1) \( < \) (4) \( < \) (3)
JEE - 2018
CHXI13:HYDROCARBONS

318315 \({\text{Benzene}}{\mkern 1mu} \xrightarrow[{{\text{ Anhydrous AlC}}{{\text{l}}_{\text{3}}}}]{{{\text{C}}{{\text{H}}_{\text{3}}}{\text{Cl}}}}{\mkern 1mu} {\text{X}}{\mkern 1mu} {\mkern 1mu} \xrightarrow[{{\text{373 - 383}}\;{\text{K}}}]{{{\text{KMn}}{{\text{O}}_{\text{4}}} \cdot \;{{\text{H}}^{{\text{ + }}}}}}{\mkern 1mu} {\text{Y}}{\mkern 1mu} \)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow[{{\text{ conc}}{\text{. HN}}{{\text{O}}_{\text{3}}}.\Delta }]{{{\text{ conc}}{\text{. }}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Z}}\)
How many electron-withdrawing substituents are present in the final product ' \({\mathrm{Z}}\) '?

1 4
2 2
3 1
4 0
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CHXI13:HYDROCARBONS

318312 In the following reaction sequence,
\({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{6}}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{HN}}{{\text{O}}_{\text{3}}}}}{\text{X}}\xrightarrow[{{\text{C}}{{\text{l}}_{\text{2}}}}]{{{\text{FeC}}{{\text{l}}_{\text{3}}}}}{\text{Y}}\)
Identify Y.

1 3-Nitrochlorobenzene
2 1-Nitrochlorobenzene
3 4-Nitrochlorobenzene
4 2-Nitrochlorobenzene
CHXI13:HYDROCARBONS

318313 Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds :
supporting img

1 \({\text{I > II > III > IV}}\)
2 \({\text{IV > III > II > I}}\)
3 \({\text{II > I > III > IV}}\)
4 \({\text{II > III > I > IV}}\)
CHXI13:HYDROCARBONS

318314 The increasing order of nitration of the following compounds is:
supporting img

1 (1) \( < \) (2) \( < \) (4) \( < \) (3)
2 (1) \( < \) (2) \( < \) (3) \( < \) (4)
3 (2) \( < \) (1) \( < \) (3) \( < \) (4)
4 (2) \( < \) (1) \( < \) (4) \( < \) (3)
JEE - 2018
CHXI13:HYDROCARBONS

318315 \({\text{Benzene}}{\mkern 1mu} \xrightarrow[{{\text{ Anhydrous AlC}}{{\text{l}}_{\text{3}}}}]{{{\text{C}}{{\text{H}}_{\text{3}}}{\text{Cl}}}}{\mkern 1mu} {\text{X}}{\mkern 1mu} {\mkern 1mu} \xrightarrow[{{\text{373 - 383}}\;{\text{K}}}]{{{\text{KMn}}{{\text{O}}_{\text{4}}} \cdot \;{{\text{H}}^{{\text{ + }}}}}}{\mkern 1mu} {\text{Y}}{\mkern 1mu} \)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow[{{\text{ conc}}{\text{. HN}}{{\text{O}}_{\text{3}}}.\Delta }]{{{\text{ conc}}{\text{. }}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Z}}\)
How many electron-withdrawing substituents are present in the final product ' \({\mathrm{Z}}\) '?

1 4
2 2
3 1
4 0
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CHXI13:HYDROCARBONS

318312 In the following reaction sequence,
\({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{6}}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{HN}}{{\text{O}}_{\text{3}}}}}{\text{X}}\xrightarrow[{{\text{C}}{{\text{l}}_{\text{2}}}}]{{{\text{FeC}}{{\text{l}}_{\text{3}}}}}{\text{Y}}\)
Identify Y.

1 3-Nitrochlorobenzene
2 1-Nitrochlorobenzene
3 4-Nitrochlorobenzene
4 2-Nitrochlorobenzene
CHXI13:HYDROCARBONS

318313 Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds :
supporting img

1 \({\text{I > II > III > IV}}\)
2 \({\text{IV > III > II > I}}\)
3 \({\text{II > I > III > IV}}\)
4 \({\text{II > III > I > IV}}\)
CHXI13:HYDROCARBONS

318314 The increasing order of nitration of the following compounds is:
supporting img

1 (1) \( < \) (2) \( < \) (4) \( < \) (3)
2 (1) \( < \) (2) \( < \) (3) \( < \) (4)
3 (2) \( < \) (1) \( < \) (3) \( < \) (4)
4 (2) \( < \) (1) \( < \) (4) \( < \) (3)
JEE - 2018
CHXI13:HYDROCARBONS

318315 \({\text{Benzene}}{\mkern 1mu} \xrightarrow[{{\text{ Anhydrous AlC}}{{\text{l}}_{\text{3}}}}]{{{\text{C}}{{\text{H}}_{\text{3}}}{\text{Cl}}}}{\mkern 1mu} {\text{X}}{\mkern 1mu} {\mkern 1mu} \xrightarrow[{{\text{373 - 383}}\;{\text{K}}}]{{{\text{KMn}}{{\text{O}}_{\text{4}}} \cdot \;{{\text{H}}^{{\text{ + }}}}}}{\mkern 1mu} {\text{Y}}{\mkern 1mu} \)
\(\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\xrightarrow[{{\text{ conc}}{\text{. HN}}{{\text{O}}_{\text{3}}}.\Delta }]{{{\text{ conc}}{\text{. }}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Z}}\)
How many electron-withdrawing substituents are present in the final product ' \({\mathrm{Z}}\) '?

1 4
2 2
3 1
4 0
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