What might you expect to observe (at 298 K) in the 19 F NMR spectra of solutions
Question:
What might you expect to observe (at 298 K) in the 19F NMR spectra of solutions containing
(a) [PF6]−
(b) [SbF6]−.
Data needed are in Table 15.2.
Table 15.2.
Transcribed Image Text:
Property Atomic number, Z Ground state electronic configuration Enthalpy of atomization, A.H°(298 K)/ kJ mol Melting point, mp/K Boiling point, bp/K Standard enthalpy of fusion, AfusH(mp)/kJ mol-¹ First ionization energy, IE, /kJ mol-¹ Second ionization energy, IE₂ / kJ mol¹ Third ionization energy, IE/kJ mol-¹ Fourth ionization energy, IE/kJ mol-¹ Fifth ionization energy, IE, /kJ mol Metallic radius, metal/pm Covalent radius, rov/pm* 7 [He]2s²2p³ 4731 63 77 0.71 1402 2856 4578 7475 9445 P 15 [Ne]3s²3p³ 315 317 550 0.66 1012 1907 2914 4964 6274 75 Ionic radius, Fion/ pm* 171 (N³) NMR active nuclei (% abundance, nuclear spin) 14N (99.6,1=1) 3¹P (100, 1 =) 15N (0.4, 1=3) 110 As 33 [Ar]3d¹04s²4p³ 302 887 sublimes 24.44 947.0 1798 2735 4837 6043 122 Sb 51 [Kr]4d¹05s²5p³ 264 904 2023 19.87 830.6 1595 2440 4260 5400 143 As (100,1) 121 Sb (57.3,1 =) 123 Sb (42.7,1 =) Bi 83 [Xe]4f1*5c!06s?6p® 210 544 1837 11.30 703.3 1610 2466 4370 5400 182 152 103 (Bi³+) 209 Bi (100, =)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (4 reviews)
In the 19F NMR spectra of solutions containing PF6 and SbF6 we need to consider the chemical environments and symmetry of the fluorine atoms present i...View the full answer
Answered By
Surendar Kumaradevan
I have worked with both teachers and students to offer specialized help with everything from grammar and vocabulary to challenging problem-solving in a range of academic disciplines. For each student's specific needs, I can offer explanations, examples, and practice tasks that will help them better understand complex ideas and develop their skills.
I employ a range of techniques and resources in my engaged, interesting tutoring sessions to keep students motivated and on task. I have the tools necessary to offer students the support and direction they require in order to achieve, whether they need assistance with their homework, test preparation, or simply want to hone their skills in a particular subject area.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
Which of the following is consistent with Simon Sinek's (see video) recommended model for communication? a. None of the above. b. I am Dr. Stephenson. I do research on the healthcare workforce as...
-
Find an equation of the exponential curve sketched in Fig. 43. 2 8.6.4.2 2
-
19F is the only isotope of fluorine that occurs naturally, and it has a nuclear spin of + (a) Into how many peaks will the proton signal in the 1H NMR spectrum of methyl fluoride be split? (b) Into...
-
Four wooden beams, each of length 2a, are nailed together at their midpoints to form the support system shown. Assuming that only vertical forces are exerted at the connections, determine the...
-
On the basis of the information for Yarnell Company in Exercise 2.13, prepare a statement of cash flows in a form consistent with generally accepted accounting principles. You may assume all...
-
A storage vessel for gasoline (sg = 0.68) is a vertical cylinder 10 m in diameter. If it is filled to a depth of 6.75 m, calculate the weight and mass of the gasoline.
-
Police in Albemarle County, Virginia, were on the lookout for a stolen orange and black motorcycle that had eluded them in two previous traffic incidents. Officer David Rhodes drove past the home of...
-
The trial balances before and after adjustment for Frinzi Company at the end of its fiscal year are presented below. Instructions Prepare the adjusting entries that weremade. FRINZI COMPANY Trial...
-
When controlling for many factors that determine earnings differentials (age, occupation, education, etc.), there is still an 'unexplained' difference of 11% in earnings between Black and white...
-
Refer to Fig. 15.12. (a) By considering a number of unit cells of NiAs connected together, confirm that the coordination number of each Ni atom is 6. (b) How does the information contained in the...
-
What are the formal oxidation states of N or P in the following species? (a) N 2 ; (b) [NO 3 ] ; (c) [NO 2 ] ; (d) NO 2 ; (e) NO; (f) NH 3 ; (g) NH 2 OH; (h) P 4 ; (i) [PO 4 ] 3 ; (j) P 4 O 6 ; (k)...
-
Solve the triangle, if possible. 23 10 131 A C B
-
Layering multiple linear and logistic functions is best described as 1 1 point Non - Linear Network Logistic Regression Fully Connected Network
-
QUESTION 8 8 How is data at rest protected? a . . Encryption b . . Decryption c . . Read / / Write permissions d . . Network router
-
If I add more neurons to my neural network, what may I expect? 1 1 point Underfitting A perfect model Overfitting
-
Question 14 Not yet answered Marked out of 7.00 Flag question In 2023, Eduvos hopes to generate a substantial amount of profit and has therefore, decided to give 3% salary increase to all its...
-
32 Question 2 In the statement: height = input ("Enter your height in centimeters:") 3 pts ,what will be the data type of the value stored in the variable height?
-
The unexplained variation for Model 1 of the previous exercise is .3936. If we set both 5 and 6 in this model equal to 0 (that is, if we eliminate the dummy variable portion of this model), the...
-
(a) As Section 17.3 discusses, high-frequency sound waves exhibit less diffraction than low-frequency sound waves do. However, even high-frequency sound waves exhibit much more diffraction under...
-
Silicon forms the chlorofluorides SiCl 3 F, SiCl 2 F 2 , and SiClF 3 . Sketch the structures of these molecules. What are their point groups?
-
Discuss the solid-state chemistry of silicon in silicates with reference to how the various structures can be built up from SiO 4 tetrahedra linked into polymeric anions, chains, rings, sheets, and...
-
Use the data in Table 14.2 and the additional bond enthalpy data given here to calculate the enthalpy of hydrolysis of CCl 4 and CBr 4 . Bond enthalpies/kJ mol 1 : OH = 463, HCl = 431, HBr = 366....
-
What perfectly competitive market assumptions are violated in a medical market? How does this affect the equilibrium price and quantity?
-
Identify a good you commonly use or would like to use. Explain at least three factors that would result in a shift in the demand curve for that good and three factors that would result in a shift in...
-
The government of planet Zanak suspects that Mondas companies are launching wearable technological products into their markets. What effects on the price of wearable technology on Zanak would...
Study smarter with the SolutionInn App