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5. a) which proton in A is most acidic? Explain thoroughly with resonance structures. b) Decide...
Explain why compound A is more acidic using resonance structures and question 21. WILLUDUlyalli Clemsty ENAM 20. Explain why Compound A is more acidic than Compound B. Use resonance structures to e 21. Which of the following is the least stable carbocation? Circle your response. (2) IV
Provide a resonance structures which explain why ortho and para nitrophenol are much more acidic than phenol
6. Usina resonance structures, explain why acetaldenyde has a pka of 17, while acetone of 19. 7. Using resonance structures, explain why methyl acetate (pka 25) is less acidic than acetone (pka 19). 8. Rank the following in order from least to most acidic. Explain your ranking, using resonance structures with your explanation. & la
Draw both resonance structures of the auction formed by the reaction of the most acidic C-H bond of the compound below with base. Include all valence lone pairs in your answer. For structures having different hydrogens of comparable acidity, assume that the reaction occurs at the less substituted carbon. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate resonance structures suing the doubleheadarrow symbol from the the drop-down menu.
2.2 Nitromethane (CH3NO2, pka = 10) is more acidic than most organic acids. Explain why nitromethane is so much more acidic than ethane (pka = 60). Write the chemical equations to illustrate the acidity of the compounds. Include valid Lewis dot structures (including formal charge) and resonance structures, if relevant. (6)
(Review Topics Draw both resonance structures of the anion formed by the reaction of the most acidic C-H bond of the compound below with base. (References H Include all valence lone pairs in your answer. For structures having different hydrogens of comparable acidity, assume that the reaction occurs at the less-substituted carbon. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate resonance structures using the symbol from the drop-down menu. ChemDoodle...
Question 5 a) Draw all the reasonable resonance structures for N20 with the atoms bonded in the order N-N-O. Label all the non-zero formal charges on the atoms in your structures. Note do not show your formal charge calculations, just label the non-zero values in your structures. (3 marks) b) Decide which structure(s) contribute the most to the resonance hybrid. Clearly explain your reasoning (1 mark)
2) For each of the acids, indicate which proton is more acidic, A or B. Circle the more acidic proton in the structure. Explain your reasoning in one or two sentences (no more!) using a conjugate base stability argument. a. A Fo НО. OH B b. A -H NOH B
5. Draw the number of resonance structures indicated, your structures must fulfill the octet rule. This exercise serves to develop a sense of which Lewis Structures are reasonable so think whether what you are proposing makes sense. Assign formal charges and determine which structure is more likely, major contributor. Draw a box around this structure. Note: it is possible to have more than one major contributor. In that case, indicate these equivalent structures by drawing a box around all of...