Homework Answers
Add Answer to:
5 points Save Answer QUESTION 6 Which of the indicated protons in the following compound would...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? III TV II a) III Oь) ІV Oc) d) II Question 12 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme (CH), CCH2CH==CH2 HBr H202 (сн.),ccн,сн. -CH2 CAJACCHIOLI (CH, CCH-CH- -CH2 cartuscanyone (CH)CCH_CH CH₂ (CH3),CCHCH IV -Сн, III a) b) c) d) IV
Which of the indicated protons in the compound shown below will appear the most downfield in...
Which of the indicated protons in the compound shown below will appear the most downfield in the H NMR spectrum? D. IV How many signals would you expect in the H NMR spectrum of the compound shown below? A. 4 B. 5 C. 6 D. 7
Page 1 of 25 Question 1 (2 points) Which of the indicated protons in the following...
Page 1 of 25 Question 1 (2 points) Which of the indicated protons in the following compound would appear most downfield in the TH NMR spectrum? III TV II O a) IV Ob) I OCI O d) III Question 2 (2 points) Identify one final major product in the following reaction sequence: CHO AICI, Ζη C.HNO c. H2SO4 CHE NH "NO NH NO M a) IV Ob) II OI Od)
Question 11 (2 points) Rank absorption of the indicated bonds in decreasing (highest to lowest) order...
Question 11 (2 points) Rank absorption of the indicated bonds in decreasing (highest to lowest) order of IR frequency H II Oa) III>II>I ob) >I>III Oc) III>I>11 od) 1>II>III Question 12 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? IV Oa) IV ob) 11 Oc) od) III
Question 11 (2 points) Saved Rank absorption of the indicated bonds in decreasing (highest to lowest)...
Question 11 (2 points) Saved Rank absorption of the indicated bonds in decreasing (highest to lowest) order of IR frequency. II O a) III>II>1 Ob) 1>1>111 Oc) III>>11 d) />II>111 Question 12 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 1H NMR spectrum? III IV II O a) IV Ob) 11 c)! O d) III
answer all questions. Consider the following compound for question 3 & 4. Hon this carbon 3....
answer all questions.
Consider the following compound for question 3 & 4. Hon this carbon 3. Answer the following questions about H NMR spectroscopy. a. How many signals would you expect to appear in the 'H NMR spectrum of this compound? b. What would the multiplicity (splitting) of the peak corresponding to H? 4. Answer the following questions about "C NMR spectroscopy. a. How many signals would you expect to appear in the "C NMR spectrum of this compound? b....
QUESTION 7 How many magnetically different protons are in the following compound? CH3 H3c CH2 7...
QUESTION 7 How many magnetically different protons are in the following compound? CH3 H3c CH2 7 8 9 10 10 points Save Answer QUESTION 8 A very common NMR solvent is CDCI3. CDCl3 shows a single peak near 7.26 ppm in its proton NMR spectrum. But CDC13 shows three peaks near 79.5 ppm in its carbon NMR spectrum. True False QUESTION 9 Why does a proton NMR spectrum of the NMR solvent CDCl3 show a signal at 7.26 ppm even...
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in...
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in the following compound? CI CH3CCH2C(CH3)3 CH3 5. Which or the spect A. three B. four C. five D. six 2) Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CC14 B. CHCl3 C. CH2C12 D. CH3CI 3) Which of the following has only a single peak in its proton NMR spectrum? I. (CH3)3CCI II. (CH3)2C=C(CH3)2 H,C...
Which of the following compound(s) below would pot produce a peak for benzole protons in a...
Which of the following compound(s) below would pot produce a peak for benzole protons in a 'H NMR spectrum? Circle your choices)
Question 5 [time = 15 minutes] (a) How many lines would you expect for the EPR...
Question 5 [time = 15 minutes] (a) How many lines would you expect for the EPR spectra of radicals A-C? H OCD3 H OCH3 Нас Hас OCD3 CH2CH3 (b) One of the two diastereomers of 2,6-dimethylcyclohexyl benzylether shown below exhibits two doublets for the benzylic protons (geminal coupling) in the H NMR spectrum нн 2J Draw the isomer clearly showing the relative configuration of the stereocentres. (ii) Provide a brief explanation for this finding. (iii) What signal (s) would you...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? III TV II a) III Oь) ІV Oc) d) II Question 12 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme (CH), CCH2CH==CH2 HBr H202 (сн.),ccн,сн. -CH2 CAJACCHIOLI (CH, CCH-CH- -CH2 cartuscanyone (CH)CCH_CH CH₂ (CH3),CCHCH IV -Сн, III a) b) c) d) IV
Which of the indicated protons in the compound shown below will appear the most downfield in the H NMR spectrum? D. IV How many signals would you expect in the H NMR spectrum of the compound shown below? A. 4 B. 5 C. 6 D. 7
Page 1 of 25 Question 1 (2 points) Which of the indicated protons in the following compound would appear most downfield in the TH NMR spectrum? III TV II O a) IV Ob) I OCI O d) III Question 2 (2 points) Identify one final major product in the following reaction sequence: CHO AICI, Ζη C.HNO c. H2SO4 CHE NH "NO NH NO M a) IV Ob) II OI Od)
Question 11 (2 points) Rank absorption of the indicated bonds in decreasing (highest to lowest) order of IR frequency H II Oa) III>II>I ob) >I>III Oc) III>I>11 od) 1>II>III Question 12 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? IV Oa) IV ob) 11 Oc) od) III
Question 11 (2 points) Saved Rank absorption of the indicated bonds in decreasing (highest to lowest) order of IR frequency. II O a) III>II>1 Ob) 1>1>111 Oc) III>>11 d) />II>111 Question 12 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 1H NMR spectrum? III IV II O a) IV Ob) 11 c)! O d) III
answer all questions.
Consider the following compound for question 3 & 4. Hon this carbon 3. Answer the following questions about H NMR spectroscopy. a. How many signals would you expect to appear in the 'H NMR spectrum of this compound? b. What would the multiplicity (splitting) of the peak corresponding to H? 4. Answer the following questions about "C NMR spectroscopy. a. How many signals would you expect to appear in the "C NMR spectrum of this compound? b....
QUESTION 7 How many magnetically different protons are in the following compound? CH3 H3c CH2 7 8 9 10 10 points Save Answer QUESTION 8 A very common NMR solvent is CDCI3. CDCl3 shows a single peak near 7.26 ppm in its proton NMR spectrum. But CDC13 shows three peaks near 79.5 ppm in its carbon NMR spectrum. True False QUESTION 9 Why does a proton NMR spectrum of the NMR solvent CDCl3 show a signal at 7.26 ppm even...
Organic Lab Technique Problem Set 1) How many different sets of equivalent protons are there in the following compound? CI CH3CCH2C(CH3)3 CH3 5. Which or the spect A. three B. four C. five D. six 2) Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CC14 B. CHCl3 C. CH2C12 D. CH3CI 3) Which of the following has only a single peak in its proton NMR spectrum? I. (CH3)3CCI II. (CH3)2C=C(CH3)2 H,C...
Which of the following compound(s) below would pot produce a peak for benzole protons in a 'H NMR spectrum? Circle your choices)
Question 5 [time = 15 minutes] (a) How many lines would you expect for the EPR spectra of radicals A-C? H OCD3 H OCH3 Нас Hас OCD3 CH2CH3 (b) One of the two diastereomers of 2,6-dimethylcyclohexyl benzylether shown below exhibits two doublets for the benzylic protons (geminal coupling) in the H NMR spectrum нн 2J Draw the isomer clearly showing the relative configuration of the stereocentres. (ii) Provide a brief explanation for this finding. (iii) What signal (s) would you...
Most questions answered within 3 hours.
-
What is the purpose of the 2' hydroxyl group in RNA? What is
the reason this...
asked 3 minutes ago -
You currently have 20,000X ethidium bromide. You want to make
250 mL of 1X ethidium bromide...
asked 16 minutes ago -
What mass of lead is needed to absorb 348 J of heat if the temp
of...
asked 18 minutes ago -
Explain the difference between an auction with reserve
and an auction without reserve. if not specified,...
asked 20 minutes ago -
Write the net ionic equation for the precipitation reaction that
occurs when aqueous solutions of aluminum...
asked 24 minutes ago -
How do we find the slope distance, given the horizontal distance
and the zenith angle?
For...
asked 22 minutes ago -
The table to the right lists probabilities for the corresponding
numbers of girls in three births....
asked 34 minutes ago -
The inverse demand function for good X is P = 5−0.05Q. The
firm’s cost curve is...
asked 32 minutes ago -
The Fresh Connection is really pushing the new line of juice
products. Given that it takes...
asked 38 minutes ago -
An acute decrease in mean arterial pressure (by getting up very
quickly, for instance) will cause...
asked 36 minutes ago -
Is the pH of solutions important when using the Fluoride ISE? If
so, why?
asked 40 minutes ago -
Producer surplus is:
a.
always equal to consumer surplus.
b.
the amount paid to sellers above...
asked 41 minutes ago