1 answer

A compound of unknown structure gave the following spectroscopic data: Mass spectrum: M+ = 88.1 IR:...

Question:

A compound of unknown structure gave the following spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H, singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many carbons does the compound contain?
e. what is the molecular formula of the compound?
f. what is the structure of the compound?
g. assign peaks in the molecule's 1H NMR spectrum corresponding to specific proton. use the template at the bottom of the page.

7. A compound of unknown structure gave the following spectroscopic data Mass spectrum: M - 88.1 IR: 3600 cm H NMR: 1.48 (2

7. A compound of unknown structure gave the following spectroscopic data Mass spectrum: M - 88.1 IR: 3600 cm "H NMR: 1.48 (2 H. quartet, J-7 Hz): 1.28 (6 H, singlet): 1.08 (1 H. singlet): 0.98 (3H triplet. -7H) "C NMR: 74,35, 27, 258 Assuming that the compound contains C and H but may or may not contain Ogive three possible molecular formulas b. How many protons (H) does the compound contain? c. What functional group(s) does the compound contain? d How many carbons does the compound contain? e. What is the molecular formula of the compound? f. What is the structure of the compound? Assign peaks in the molecule's 'H NMR spectrum corresponding to specific proton. Use the template at the bottom of the page. Intensity → Chemical Shift (ppm) - 32 -

Answers

FEBRUARY 2013 FSS 8 9 10 22 23 24 2013 MARCH M T W T F S S M T W T F S S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2

.

Similar Solved Questions

1 answer
4. The tire has a weight of 30 lb and a radius of 1.25 ft. If...
4. The tire has a weight of 30 lb and a radius of 1.25 ft. If the coefficient of static friction between the tire and the plane is us = 0.2, find the maximum angle of the inclined plane so that the tire rolls without slipping. You may treat the tire as a thin circular disk. 1.25 ft...
1 answer
Arter deciding the 3 most urgent needs , and writing a 3 needs care plan answer...
Arter deciding the 3 most urgent needs , and writing a 3 needs care plan answer these questions 1. What is the first action you'd take immediately? 2. Would you contact this patient's provider (MD, NP)? What information would you consider is essential to report? 3. What other comfort meas...
1 answer
A town has a population of 8400 in 1990
A town has a population of 8400 in 1990. Fifteen years later, it's population grew to 125,000. Determine the average annual growth rate of this town's population. Round to the nearest tenth of a percent....
1 answer
How might differences in mating systems affect kin-recognition, parent-offspring conflict and sibling rivalry. Explain your answers...
How might differences in mating systems affect kin-recognition, parent-offspring conflict and sibling rivalry. Explain your answers in terms of r and provide examples (either from the book or elsewhere). R is nothing important...
1 answer
ACC702 pplementary Exercises - REVISION Costing using the High-Low Method As a new manager ew manager...
ACC702 pplementary Exercises - REVISION Costing using the High-Low Method As a new manager ew manager at a security company, you are trying to determine the cost behaviour typical at the company. You have reviewed the past year's costs and the time spent (measured in hours) for the past year on ...
1 answer
162a.) and 166 please 162. The graph of y ext)dt, where t is a piecewise linear...
162a.) and 166 please 162. The graph of y ext)dt, where t is a piecewise linear function, is shown here. 0 ya 47 3+ 2+ 1- 0 1 / 2 3 4 5 6* a. Over which intervals is { positive? Over which intervals is it negative? Over which, if any, is it zero? In the following exercises, use a calculator to e...
1 answer
In deep space, sphere A of mass 90 kg is located at the origin of an...
In deep space, sphere A of mass 90 kg is located at the origin of an x axis and sphere B of mass 41 kg is located on the axis at x = 1.7 m. Sphere B is released from rest while sphere A is held at the origin. (a) What is the gravitational potential energy of the two-sphere system just as B is releas...
1 answer
Calcium is essential to tree growth because it promotes the formation of water maintain so walls....
calcium is essential to tree growth because it promotes the formation of water maintain so walls. In 1990, the concentration of calcium and precipitation in a certain area was 0.12 mg/L. A random sample of 10 precipitation dates in 2007 results in the following data table complete parts a through C ...
1 answer
A neuron has a resting membrane potential of -70 mV; it’s trigger threshold for firing an...
A neuron has a resting membrane potential of -70 mV; it’s trigger threshold for firing an action potential is -50 mV. Two competing signals arrive simultaneously in the trigger zone: one is a depolarizing stimulus of +40 mV, the other a hyperpolarizing stimulus of -25 mV. Will the neuron fire ...
1 answer
Determine the amount of sales (units) that would be necessary under Break-Even Sales Under Present and...
Determine the amount of sales (units) that would be necessary under Break-Even Sales Under Present and Proposed Conditions Darby Company, operating at full capacity, sold 79,650 units at a price of $60 per unit during the current year. Its income statement for the current year is as follows: Sales $...
1 answer
"We give this award to Dexter, without whom we never would have found Mike's shoes
"We give this award to Dexter, without whom we never would have found Mike's shoes." demonstrates correct use of whom.A)trueB)falsei put true...
1 answer
A Take let Test 2 Electrostatics-x d37744 18courseid- 17243 18.content id766294 18iquestion.num 3 Timed Test This...
a Take let Test 2 Electrostatics-x d37744 18courseid- 17243 18.content id766294 18iquestion.num 3 Timed Test This test has a time lmit of 5 hours This test will save and submil automatically when the time expres Wamings appear when halt the time, 5 minutes, 1 minute, and 30 seconds remain MIİpl...
1 answer
An important statistic to consider when using a statistical sampling audit plan is the population variability....
An important statistic to consider when using a statistical sampling audit plan is the population variability. The population variability is measured by the Multiple Choice Standard deviation O t imated population to minus the actual population total...
1 answer
2.13.4 2.13.5 Show that lim supno (-X) = -(liminf ,-Xn). If two sequences {an) and {bn}...
2.13.4 2.13.5 Show that lim supno (-X) = -(liminf ,-Xn). If two sequences {an) and {bn} satisfy the inequality an <b, for all sufficiently large n, show that limsupan Slim sup bn and liminfa, <liminf bn. 100 2.13.6 Show that lim, 100 Xn = o if and only if lim sup.Xn = liminf xn = c. n-00 2.13....
1 answer
A volume of 70.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution...
A volume of 70.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 15.2 mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)?K2SO4(aq)+2H2O(l) part b: Redox titrations are used to deter...
1 answer
Respond to the following in a minimum of 175 words: Can government intervention in markets sometimes...
Respond to the following in a minimum of 175 words: Can government intervention in markets sometimes make the situation worse? Provide examples in your response. For example, consider the progress of the economy of Venezuela since 2000....
1 answer
To show that an estimator can be consistent without being unbiased or even asymptotically the finite...
To show that an estimator can be consistent without being unbiased or even asymptotically the finite variance σ, we first take a random sample of size n. Then we randomly draw one of n slips of paper numbered from 1 through n, and if the number we draw is 2, 3,.., or n, we use as our estimator...