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When there is an electron-withdrawing group on a benzene ring (eg. compounds such as nitrobenzenebenzoic acid,...
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded...
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded to a carbon at one of the three possible positions: ortho, meta, and para to the -NH2 group in the benzene ring. Consider meta and ortho attack and draw RESONANCE STRUCTURES for the carbocations that result when NO2 undergoes electrophilic aromatic substitution to aniline. Then, on the basis of these resonance structures, explain whether the --NH2, group.is meta director, or ortho/para director. Show which...
1. please check what is wrong. Thank you! Determine the product formed when each compound is treated with...
1. please check what is wrong. Thank you!
Determine the product formed when each compound is treated with Br2 and FeBr3. Drag the atom labels to their appropriate positions. CN Atom labels H H Br Br2 A. FeBr Br H OH OH Br Br. Br2 FeBr3 H H Br Br H Br2 FeBr H1 H Reset T Rank the compounds in each group in order of decreasing reactivity in electrophilic aromatic substitution. CI Decreasing reactivity Rank the compounds in each...
If a benzene ring has one methyl group as a substituent, will the next substituent add...
If a benzene ring has one methyl group as a substituent, will the next substituent add to the benzene ring in the ortho, meta, or para position? Select one: a. para or meta b. para only c. meta only d. ortho only e. ortho or meta f. Ortho or para
There are 3 pictures, 18 exercises in total. Topics are Benzenes and their reactions No -I...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
If a benzene ring has one -CF3 group as a substituent, will the next substituent add...
If a benzene ring has one -CF3 group as a substituent, will the next substituent add to the benzene ring in the ortho, meta, or para position? Select one: a. meta b. para only c. ortho or para d. ortho only e. cannot determine
Question 3 1s 3 ORTHO Today we learned about adding a second group to a mono-substituted...
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
7. Using resonance structures show how the amino group would effect the electron density on the...
7. Using resonance structures show how the amino group would
effect the electron density on the ring carbons of the following
compound. Would you expect an electrophile to attack this molecule
at the ortho, meta or para position(s)?
8. Draw the structure of (3R,
4R)-3-(3-fluorophenyl)-4-formylhexan-2-one
ing resonance structures, show how the amino group would effect the electron density on the ring carbons of the following compound. Would you expect an electrophile to attack this molecule at the ortho, meta or...
Supply the correct words to complete this sentence: Electron-withdrawing groups such as nitro the acidity of...
Supply the correct words to complete this sentence: Electron-withdrawing groups such as nitro the acidity of hydroxybenzene especially when substituted at the position relative to the hydroxy group. do not affect; any decrease; ortho or para increase; meta increase ; ortho or para O decrease ; meta
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution...
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution reactions. Why? A) Because it decreases electron density mortly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activo tes the neta positions c) Because all deactivators are meta-directors. D) Because its resonance effect competes against its inductive effect and the resonance effect increases the electron density on meta positions. E) All...
please help in all sections asap!! In a Clemmensen reduction, an aryl ketone is reduced to...
please help in all sections asap!!
In a Clemmensen reduction, an aryl ketone is reduced to an Oaryl aldehyde Caryl alkane aryl carboxylic acid aryl ester aryi anhydride Identify the electrophile for the Friedel-Crafts acylation of benzene. O aluminum tetrachloride anion aluminum chloride acylium ion carbocation carbanion Which of the following criteria is necessary for a nucleophilic aromatic substitution reaction? © A. The ring must contain a very strong electron withdrawing group. B. The ring must contain a leaving group....
(V) 10pts. When aniline (C6H3-NH2) reacts with bromonium ion (NO2. the nitro group can become bonded to a carbon at one of the three possible positions: ortho, meta, and para to the -NH2 group in the benzene ring. Consider meta and ortho attack and draw RESONANCE STRUCTURES for the carbocations that result when NO2 undergoes electrophilic aromatic substitution to aniline. Then, on the basis of these resonance structures, explain whether the --NH2, group.is meta director, or ortho/para director. Show which...
1. please check what is wrong. Thank you!
Determine the product formed when each compound is treated with Br2 and FeBr3. Drag the atom labels to their appropriate positions. CN Atom labels H H Br Br2 A. FeBr Br H OH OH Br Br. Br2 FeBr3 H H Br Br H Br2 FeBr H1 H Reset T Rank the compounds in each group in order of decreasing reactivity in electrophilic aromatic substitution. CI Decreasing reactivity Rank the compounds in each...
There are 3 pictures, 18 exercises in total. Topics are Benzenes
and their reactions
No -I ab 0 CH3 Br nooit 1. Aromatic molecules contain Tt electrons. a. 4n b. 4n+2 c. An odd number d. 4n+1 c. Zero Condition needed for benzene halogenation to occur a. NaC1, 1120 b. C12, H20 c. C12, AICI3 d. NaCl, CH3OH e. C12, CC14 3. In an electrophilic aromatic substitution, the hydroxyl group orients ortho-para because a, removes electronic density from the benzene...
Question 3
1s 3 ORTHO Today we learned about adding a second group to a mono-substituted benzene ring. Any group on a benzene will affect the rate of the reaction (activated or deactivated relative to benzene) and the regioselectivity Where does the electrophile add? Ortho? Meta? Para? Some combination thereof? We found that EDGs (electron-donating groups) direct the electrophile to the ortho and para positions while EWGs (electron-withdrawing groups) direct the electrophile to the meta position. Now, it is time...
7. Using resonance structures show how the amino group would
effect the electron density on the ring carbons of the following
compound. Would you expect an electrophile to attack this molecule
at the ortho, meta or para position(s)?
8. Draw the structure of (3R,
4R)-3-(3-fluorophenyl)-4-formylhexan-2-one
ing resonance structures, show how the amino group would effect the electron density on the ring carbons of the following compound. Would you expect an electrophile to attack this molecule at the ortho, meta or...
Supply the correct words to complete this sentence: Electron-withdrawing groups such as nitro the acidity of hydroxybenzene especially when substituted at the position relative to the hydroxy group. do not affect; any decrease; ortho or para increase; meta increase ; ortho or para O decrease ; meta
Styles Nitro group W group (NO) as a strong deactivater, is a meta directo electrophilie substitution reactions. Why? A) Because it decreases electron density mortly on ortho and para positions, thus making meta positions better reactive sites, B) Because it deactivates ortho and para positions and activo tes the neta positions c) Because all deactivators are meta-directors. D) Because its resonance effect competes against its inductive effect and the resonance effect increases the electron density on meta positions. E) All...
please help in all sections asap!!
In a Clemmensen reduction, an aryl ketone is reduced to an Oaryl aldehyde Caryl alkane aryl carboxylic acid aryl ester aryi anhydride Identify the electrophile for the Friedel-Crafts acylation of benzene. O aluminum tetrachloride anion aluminum chloride acylium ion carbocation carbanion Which of the following criteria is necessary for a nucleophilic aromatic substitution reaction? © A. The ring must contain a very strong electron withdrawing group. B. The ring must contain a leaving group....
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