Homework Answers
7) methylene protons are bonded
to the carbon, which inturn is connected to two strong electron
withdrawing keto groups.
After the loss of one proton the formed negative charge is in conjugation with two keto groups and develops two resonance structures.
1 &2 in the structure represents the direction of conjugation.
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6) Draw the conjugate acid of the compound shown below. Show how the conjugate acid is...
5) Draw the conjugate bases of the compounds shown below. Show how each conjugate base is stabilized by delocalizat...
5) Draw the conjugate bases of the compounds shown below. Show how each conjugate base is stabilized by delocalization/resonance. H (a) но (b)
Q.1. Draw the conjugate base or conjugate acid of the following species Conjugate Acid Conjugate Base...
Q.1. Draw the conjugate base or conjugate acid of the following species Conjugate Acid Conjugate Base a) OH Sb) ? CH3NH2 c) HO d) ? SO- Q.2. ) Circle the most acidic proton and cross out the least acidic protons among the shown hydrogen atoms in the following molecules. NO H NH2 O-H Η Η CH3 OH -SC-H Н" Q.3. Circle the most acidic compound and cross out the least acidic compound in each set. ou la olagla ОН OH...
Need help with problem 1 - I am not quite sure how to draw the conjugate...
Need help with problem 1 - I am not quite sure how to draw the
conjugate acid for both the C2 and C3 positions.
Can someone please check my protanation at the C2 and C3
positions and my resonance structures?
1. Consider the structure of indole shown below. Indole prefers to protonate at Cs rather than Ca under strongly acidic conditions. Draw the conjugate acid for both the C2 and Cs positions, and rationalize this selectivity with the use of...
Please help! 4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate...
Please help!
4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate concentration of Compound A that must be present in a 0.042 M solution of Compound B to produce a pH of 4.96. The K. for Compound A is 1.8 x 109. Show your work. Round your final answer to the nearest hundredth decimal place. (5pts) 5. Consider the structure below. Then using the empty boxes, answer parts (a)-(e). HO (a) (1 pts) Draw a...
Add curved arrows to show how the compound on the left is converted to the compound...
Add curved arrows to show how the compound on the left is
converted to the compound on the right.
Squaric acid has a pKa of 1.5, making it much more acidic than many carboxylic acids (typical pKa values of 4-5). One of the reasons for its acidity is resonance stabilization of its conjugate base. which is shown below. Add curved arrows to the structure on the left to show how it is converted to the other resonance contributor shown to...
1) Draw the conjugate base of each acid by deprotonation of the most acidic proton (might not be shown). 2) Rank the fol...
1) Draw the conjugate base of each acid by deprotonation of the
most acidic proton (might not be shown).
2) Rank the following acids from weakest to strongest (1=weakest
6=strongest)
ОН (А) ГОН "NH₂
Consider the compound whose formula is shown below. C2H40 1) Calculate the total number of valence...
Consider the compound whose formula is shown below. C2H40 1) Calculate the total number of valence electrons. 2) Calculate the number of bonds in the molecule. 3) Draw all possible skeleton structures representing all possible isomers. Cyclic isomers are allowed. 4) For each skeleton structure, complete its Lewis dot structure showing all electron pairs. 5) Draw resonance structures for each isomer. If a resonance structure cannot be drawn, explain why. 6) For each isomer, calculate the formal charge on each...
4. Three part problem. The structure shown below is stabilized by resonance. H a.) Redraw this...
4. Three part problem. The structure shown below is stabilized by resonance. H a.) Redraw this structure to the left of the double headed arrow on your answer page. b.) Add one curved arrow to show how the second resonance form could be created. c.) Draw the second resonance form to the right of the double headed arrow. 5. The structure of the previous problem could react with water to form a hydrate. Draw the mechanism of hydrate formation. First,...
Draw curved anows to show the relationship between each set of resonance structures 2. Deaw all...
Draw curved anows to show the relationship between each set of resonance structures 2. Deaw all major resonance structures of each mclecule below by complecing as many of che even σ frameworks as necessary НН 3. Identify the hybridization af each oxygen and nitrogen atem in the melecules below Draw all major resonance structures for each molecule below For each,identily the biggest contributorls) to the resonance hybrid NH
5) Draw the conjugate bases of the compounds shown below. Show how each conjugate base is stabilized by delocalization/resonance. H (a) но (b)
Q.1. Draw the conjugate base or conjugate acid of the following species Conjugate Acid Conjugate Base a) OH Sb) ? CH3NH2 c) HO d) ? SO- Q.2. ) Circle the most acidic proton and cross out the least acidic protons among the shown hydrogen atoms in the following molecules. NO H NH2 O-H Η Η CH3 OH -SC-H Н" Q.3. Circle the most acidic compound and cross out the least acidic compound in each set. ou la olagla ОН OH...
Need help with problem 1 - I am not quite sure how to draw the
conjugate acid for both the C2 and C3 positions.
Can someone please check my protanation at the C2 and C3
positions and my resonance structures?
1. Consider the structure of indole shown below. Indole prefers to protonate at Cs rather than Ca under strongly acidic conditions. Draw the conjugate acid for both the C2 and Cs positions, and rationalize this selectivity with the use of...
Please help!
4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate concentration of Compound A that must be present in a 0.042 M solution of Compound B to produce a pH of 4.96. The K. for Compound A is 1.8 x 109. Show your work. Round your final answer to the nearest hundredth decimal place. (5pts) 5. Consider the structure below. Then using the empty boxes, answer parts (a)-(e). HO (a) (1 pts) Draw a...
Add curved arrows to show how the compound on the left is
converted to the compound on the right.
Squaric acid has a pKa of 1.5, making it much more acidic than many carboxylic acids (typical pKa values of 4-5). One of the reasons for its acidity is resonance stabilization of its conjugate base. which is shown below. Add curved arrows to the structure on the left to show how it is converted to the other resonance contributor shown to...
1) Draw the conjugate base of each acid by deprotonation of the
most acidic proton (might not be shown).
2) Rank the following acids from weakest to strongest (1=weakest
6=strongest)
ОН (А) ГОН "NH₂
Consider the compound whose formula is shown below. C2H40 1) Calculate the total number of valence electrons. 2) Calculate the number of bonds in the molecule. 3) Draw all possible skeleton structures representing all possible isomers. Cyclic isomers are allowed. 4) For each skeleton structure, complete its Lewis dot structure showing all electron pairs. 5) Draw resonance structures for each isomer. If a resonance structure cannot be drawn, explain why. 6) For each isomer, calculate the formal charge on each...
4. Three part problem. The structure shown below is stabilized by resonance. H a.) Redraw this structure to the left of the double headed arrow on your answer page. b.) Add one curved arrow to show how the second resonance form could be created. c.) Draw the second resonance form to the right of the double headed arrow. 5. The structure of the previous problem could react with water to form a hydrate. Draw the mechanism of hydrate formation. First,...
Draw curved anows to show the relationship between each set of resonance structures 2. Deaw all major resonance structures of each mclecule below by complecing as many of che even σ frameworks as necessary НН 3. Identify the hybridization af each oxygen and nitrogen atem in the melecules below Draw all major resonance structures for each molecule below For each,identily the biggest contributorls) to the resonance hybrid NH
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