Does an activating group or a deactivating group have stronger directing effects on a benzene ring?
Does an activating group or a deactivating group have stronger directing effects on a benzene ring?
Homework Answers
An activating group (electron releasing/donating) has stronger directing effects on a benzene ring because its presence on the benzene ring makes the benzene ring more reactive towards the electrophilic substitution reaction and increases the rate of reaction whereas a deactivating group (electron withdrawing) slows down the reaction of the benzene. The effect of activating group is as shown which makes the benzene ring Ortho/para directing
The effect of the deactivating group is as shown which makes the benzene ring meta directing towards electrophilic substitution
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Does an activating group or a deactivating group have stronger
directing effects on a benzene ring?
The carboxymethyl group is directing and HNO3 H2SO4 meta; deactivating meta; activating para; activating • ortho; d...
The carboxymethyl group is directing and HNO3 H2SO4 meta; deactivating meta; activating para; activating • ortho; deactivating
An acyl group is Strongly deactivating and it is meta and it is meta directing strongly...
An acyl group is Strongly deactivating and it is meta and it is meta directing strongly deactivating weakly activating The ring with C NisTmoderately activating ▼ and it is ortho-para ▼ directi n strongly deactivating moderately deactivating ortho-para meta para moderately activating
An NH2 substituent in an aromatic ring is: Select one: a. activating ortho-, meta- and para-directing...
An NH2 substituent in an aromatic ring is: Select one: a. activating ortho-, meta- and para-directing b. deactivating and ortho- and para-directing c. deactivating and meta-directing d. activating and meta-directing e. activating and ortho- and para-directing
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating اختر أحد الخيارات CI- CO2H- NO - O NH2- OH-
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating?...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? Select one: -CIN 0 -NH₂ O NO₂ O-CO₂H
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating?...
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? of Select one: O -NH2 O-SO3H O-1 0 -CN O-OCH3
10. (12 points) Cua CHaCHa Les eb Predict whether the following substituents on the benzene ring...
10. (12 points) Cua CHaCHa Les eb Predict whether the following substituents on the benzene ring are likely to be ortho/para directing or meta directing and whether they are likely to be ring activating or ring deactivating ..n(CH3)2 CEN ОСН з -NO C-OCH 11. (6 points) Starting with benzene as the only aromatic starting material, devise a
Assume the functional groups below are attached to a benzene ring. Circle the functional groups that...
Assume the functional groups below are attached to a benzene ring. Circle the functional groups that are activating. Put a triangle around those that are deactivating. Predict the directing effect of each group (either o,p or m). Do you see any trends? {-Br 4-CF3 OCH3 {NH2 & NH3 NO2 &-coh 10
The N,N,N-trimethylammonium group, -N(CH3)3*, is one of the few substituents on a benzene ring that is...
The N,N,N-trimethylammonium group, -N(CH3)3*, is one of the few substituents on a benzene ring that is a deactivating, meta-directing group, yet has no electron-withdrawing resonance effect. Explain.
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP)...
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP) or meta directors (M). Write the answer below each group. N "Here with other ty A/D? = = = = OP/M? = f) Using resonance structures, explain why a nitro group is "meta-directing" (i.e. does the nitro group actually affect the meta positions?) g) As mentioned in class, the halogens are a bit anomalous as substituents on the aromatic ring: they are deactivating groups,...
The carboxymethyl group is directing and HNO3 H2SO4 meta; deactivating meta; activating para; activating • ortho; deactivating
An acyl group is Strongly deactivating and it is meta and it is meta directing strongly deactivating weakly activating The ring with C NisTmoderately activating ▼ and it is ortho-para ▼ directi n strongly deactivating moderately deactivating ortho-para meta para moderately activating
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring ?deactivating اختر أحد الخيارات CI- CO2H- NO - O NH2- OH-
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? Select one: -CIN 0 -NH₂ O NO₂ O-CO₂H
In an electrophilic aromatic substitution reaction, which group is both ortho, para directing and ring deactivating? of Select one: O -NH2 O-SO3H O-1 0 -CN O-OCH3
10. (12 points) Cua CHaCHa Les eb Predict whether the following substituents on the benzene ring are likely to be ortho/para directing or meta directing and whether they are likely to be ring activating or ring deactivating ..n(CH3)2 CEN ОСН з -NO C-OCH 11. (6 points) Starting with benzene as the only aromatic starting material, devise a
Assume the functional groups below are attached to a benzene ring. Circle the functional groups that are activating. Put a triangle around those that are deactivating. Predict the directing effect of each group (either o,p or m). Do you see any trends? {-Br 4-CF3 OCH3 {NH2 & NH3 NO2 &-coh 10
The N,N,N-trimethylammonium group, -N(CH3)3*, is one of the few substituents on a benzene ring that is a deactivating, meta-directing group, yet has no electron-withdrawing resonance effect. Explain.
Label the following as activating (A) or deactivating (D), and then also as ortho/para directors (OP) or meta directors (M). Write the answer below each group. N "Here with other ty A/D? = = = = OP/M? = f) Using resonance structures, explain why a nitro group is "meta-directing" (i.e. does the nitro group actually affect the meta positions?) g) As mentioned in class, the halogens are a bit anomalous as substituents on the aromatic ring: they are deactivating groups,...
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