Homework Answers
Answer:
Acetone will have ion-dipole interaction with the Na+ ion. As all the other solvents have zero dipole moment.
1. In CCl4, even in the presence of electronegative ion, the tetrahedral geometry cancels the dipole moment in the structure due to any form dipole.
2. n-pentane and hexane have zero dipole moment.
3. Benzene also have nearly zero dipole moment. But it interacts with the Na+ ion via cation-pi interactions. The availability of pi-cloud of electron density will interact with the positive charge on the cation.
4. The only solvent left is acetone, which have net dipole moment due to its geometry. The oxygen atom in the acetone basically coordinates with Na+ ion.
Ans: A
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(4 points) Which solvent below could involve ion-dipole interactions with Na? HaC CH3 d. CCl4 a....
CH3 Hас 17. Which solvent below could involve ion-dipole interactions with Na*? Н2 d. а. CH2...
CH3 Hас 17. Which solvent below could involve ion-dipole interactions with Na*? Н2 d. а. CH2 Hас" НС CH CH2 Hас. CH НС, Н2 H2 e. b. CCl4 CHз Hас CHз с. НаС, :O: off HO CH
help please Question 3 (1.5 points) Which of the following pure liquids would have dispersion forces...
help please
Question 3 (1.5 points) Which of the following pure liquids would have dispersion forces (London forces) as its strongest intermolecular force? CH, CH, Hoc O CH Question 4 (1.5 points) Which of the following molecules has dipole-dipole interactions as it's strongest interaction? (no hydrogen bonding) You may select more than one answer. H₂ C CH 2 CH CH2 CH₂ CH2 CH₂ C H3C H2C CH3 H₂N
H2SO4 e. (CH3)3CBr + H20 → 4. In the following pair indicate which would be the...
H2SO4 e. (CH3)3CBr + H20 → 4. In the following pair indicate which would be the most stable intermediate in a reaction and briefly explain your answer. [4 marks] CH3 CH3 CH CH3 Cc Home CH2 CHE H2C CH CH2 H3C a. CH - H₃C CH₂ H₃C CH₂ 5. Briefly explain the difference between substitution mechanisms SN, and SN2 and elimination mechanisms E, and E. [4 marks)
D. nuclear E. magnetic 28. Which of the compounds below best fits the spectrum shown? H3C...
D. nuclear E. magnetic 28. Which of the compounds below best fits the spectrum shown? H3C A. CH3 HaC CH3 CH B. C. CH3 CH D, H3C CH E, H3C CH
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as...
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=0 and O=C=0 c) and O=0 H b) H d ) and Na + and H1 H HT H H 0 C. c) only B. b) only A. a) only E. b) and c) F. c) and d) D. d) only
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as...
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=O and O=C=O c) and O=0 b) H H H1 TH and Na + and HT H Neo H H A. a) only B. b) only C. c) only D. d) only E. b) and c) F. c) and d)
The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which...
The rections above involve synthesis or reactions of alcohols
and ethers. Identify the mechanism by which they proceed from among
the mechanisms listed. Use the letters a - g for your answers.
a = Proton transfer b = Lewis acid/base c = Electrophilic
addition
d = E1 Elimination e = E2 Elimination f = SN1 Nucleophilic
substitution g = SN2 Nucleophilic substitution
a. )
b.)
c.)
d.)
We were unable to transcribe this imageH3C Br ње CH HaC Aqueous ethanol...
HH 13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well...
HH 13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=0 and O=C=0 c) 9 and b) Hi H O=0 and Na + d) HT H and preo H A. a) only B. b) only C. c) only D. d) only E. b) and c) F. c) and d) 14. Which molecules are non-polar? A. SF4 B. CF4 C. H2O D. CH2Cl2 E. 03 15. Which of the following...
QUESTION 13 NOH Which of the following molecules could be described as a hemiscal? N(CH3)2 OH...
QUESTION 13 NOH Which of the following molecules could be described as a hemiscal? N(CH3)2 OH OCH.CH b) HEC H3C CH2 "CH₂ c) HSCHN NHCH Học "Chh d) b) a) Save and Submit to save and submit. Click Save All Answers to save all answers.
I need help with questions 2 and 3. CH 3 CH3 2. In the reaction below,...
I need help with questions 2 and 3.
CH 3 CH3 2. In the reaction below, what type of reaction occurred? A. E2 B. El H₂C C. S2 (-CL) D. S1 H3C E. None of above - a slow step H3CC Nuc: C-CH2 HC-C-OH CH 3 CH3 CH 3 HC H H3C Base: 3. In the reaction below, what type of reaction occurred? A. E2 B. E1 slow step HC-C-Cl- C. SN2 (-Cl) D. S 1 CH 3 E. None...
CH3 Hас 17. Which solvent below could involve ion-dipole interactions with Na*? Н2 d. а. CH2 Hас" НС CH CH2 Hас. CH НС, Н2 H2 e. b. CCl4 CHз Hас CHз с. НаС, :O: off HO CH
help please
Question 3 (1.5 points) Which of the following pure liquids would have dispersion forces (London forces) as its strongest intermolecular force? CH, CH, Hoc O CH Question 4 (1.5 points) Which of the following molecules has dipole-dipole interactions as it's strongest interaction? (no hydrogen bonding) You may select more than one answer. H₂ C CH 2 CH CH2 CH₂ CH2 CH₂ C H3C H2C CH3 H₂N
H2SO4 e. (CH3)3CBr + H20 → 4. In the following pair indicate which would be the most stable intermediate in a reaction and briefly explain your answer. [4 marks] CH3 CH3 CH CH3 Cc Home CH2 CHE H2C CH CH2 H3C a. CH - H₃C CH₂ H₃C CH₂ 5. Briefly explain the difference between substitution mechanisms SN, and SN2 and elimination mechanisms E, and E. [4 marks)
D. nuclear E. magnetic 28. Which of the compounds below best fits the spectrum shown? H3C A. CH3 HaC CH3 CH B. C. CH3 CH D, H3C CH E, H3C CH
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=0 and O=C=0 c) and O=0 H b) H d ) and Na + and H1 H HT H H 0 C. c) only B. b) only A. a) only E. b) and c) F. c) and d) D. d) only
13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=O and O=C=O c) and O=0 b) H H H1 TH and Na + and HT H Neo H H A. a) only B. b) only C. c) only D. d) only E. b) and c) F. c) and d)
The rections above involve synthesis or reactions of alcohols
and ethers. Identify the mechanism by which they proceed from among
the mechanisms listed. Use the letters a - g for your answers.
a = Proton transfer b = Lewis acid/base c = Electrophilic
addition
d = E1 Elimination e = E2 Elimination f = SN1 Nucleophilic
substitution g = SN2 Nucleophilic substitution
a. )
b.)
c.)
d.)
We were unable to transcribe this imageH3C Br ње CH HaC Aqueous ethanol...
HH 13. Which of the pairs of molecules below can only have dipole-dipole interactions (as well as London Dispersion Forces)? a) O=C=0 and O=C=0 c) 9 and b) Hi H O=0 and Na + d) HT H and preo H A. a) only B. b) only C. c) only D. d) only E. b) and c) F. c) and d) 14. Which molecules are non-polar? A. SF4 B. CF4 C. H2O D. CH2Cl2 E. 03 15. Which of the following...
QUESTION 13 NOH Which of the following molecules could be described as a hemiscal? N(CH3)2 OH OCH.CH b) HEC H3C CH2 "CH₂ c) HSCHN NHCH Học "Chh d) b) a) Save and Submit to save and submit. Click Save All Answers to save all answers.
I need help with questions 2 and 3.
CH 3 CH3 2. In the reaction below, what type of reaction occurred? A. E2 B. El H₂C C. S2 (-CL) D. S1 H3C E. None of above - a slow step H3CC Nuc: C-CH2 HC-C-OH CH 3 CH3 CH 3 HC H H3C Base: 3. In the reaction below, what type of reaction occurred? A. E2 B. E1 slow step HC-C-Cl- C. SN2 (-Cl) D. S 1 CH 3 E. None...
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