Q4. Which of the following compounds are expected to form interamolecular hydrogen bonds? Show the hydrogen...
Q4. Which of the following compounds are expected to
form interamolecular hydrogen
bonds? Show the hydrogen bond formed in each case?
a) Ortho cresol
b) Ortho nitroaniline
c) salicylic acid
d) salicyladehyde
e) o-florophenol
f) o-hydroxybenzonitrile
Homework Answers
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Q4. Which of the following compounds are expected to
form interamolecular hydrogen
bonds? Show the hydrogen...
And explain why? 6.68. In which of the following compounds would intermolecular hydrogen bonds be likely...
And explain why?
6.68. In which of the following compounds would intermolecular hydrogen bonds be likely in the liquid state? a. diethyl ether (C2H5OC2H5) b. ammonia (NH3) c. methane (CH4) d. hydrogen fluoride (HF) e. acetic acid (CH3COOH) f. bromine (Br2) g. ethylene glycol (HOCH, CH, OH) h. methylamine (CH3NH2)
10. Which of the following compounds is expected to show the greatest similarity with esters, both...
10. Which of the following compounds is expected to show the greatest similarity with esters, both in terms of substitution ability and in structure? CI CIT WN 1 (B) (A) YO 0 0 0 NN... Ooooooh Na HN NON HO OH chlorpyriphos, an insecticide adenosine triphosphate (ATP) (C) о он YO p-toluenesulfonic acid p-nitrotoluene ОА Loo OD Question 9 1 pts 9. What product is formed when the lactone below is heated with excess methanol and a catalytic amount of...
I Have this quiz that asks which of these compounds can form hydrogen bonds with an...
I Have this quiz that asks which of these compounds can form hydrogen bonds with an identical molecule ("by itself") and I just got one try left. Hydrogen cyanide, HCN Hydrogen sulfide, H2S Methane, CH4 Water, H2O Ethanol, CH3-CH2OH Difluoromethane, CH2F2 Hydrochloric acid, HCl Ammonia, NH3 Is the answer: H2O, Ethanol and Ammonia? If not how can I tell?
24. Which of the following compounds cannot form hydrogen bonds between its molecules? A) CH3CH2CH2NHCH3 C)...
24. Which of the following compounds cannot form hydrogen bonds between its molecules? A) CH3CH2CH2NHCH3 C) CH3CH2CH2CH2NH2 B) CH3CH2CH2OCH3 D) CH3CH2CH2CH2OH 25. What is the IUPAC of the following compound? (Draw the structure) (CH3CH2)3COH A) 2-Ethyl-2-pentanol 3-Ethyl-3-pentanol B) 2-Ethyl-3-pentanol 2,2-Diethyl-1-butanol COH DH
12. Which compound is the strongest acid? 11. Which compound is the strongest base? (A) benzoic a...
12. Which compound is the strongest acid? 11. Which compound is the strongest base? (A) benzoic acid (B) 4-amino-2-methylbenzoic acid ©p-nitrobenzoic acid (A) m-nitroaniline (B) aniline 4-methylaniline 3-bromo-5-nitroaniline 24-dimethylaniline po 13. Which of the following compounds E)3.S-dinitrobenzoic acid is has the 4.ow many Ha atoms are in the compound: 14 cyclohexane-1,3-dione? (A) 2 (B) 4 (C)5 highest number of alpha hydrogen? (A) 2,4-dimethyl-3-hexanone (B) cyclohexanone C) benzaldehyde D) 2-heptanone (E) propanone IS. Which of the following compounds has the16. Which...
Which of the following compounds would show hydrogen bonding in their pure liquid state? i. HF ii. H2O...
Which of the following compounds would show hydrogen bonding in their pure liquid state? i. HF ii. H2O iii. CH3OH iv. CH3NH2 v. (CH3)2NH vi. (CH3)3N vii. CH3OCH2CH3 Which of the following can form hydrogen bonds with methanol? i. HCOOH ii. NaOH iii. CH3NO2 iv. F- v. NH4Cl vi. benzene vii. CH4
In stable organic compounds, carbon will always form (a) 2 bonds (b) 4 bonds (c) 3...
In stable organic compounds, carbon will always form (a) 2 bonds (b) 4 bonds (c) 3 bonds (d) 5 bonds Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers ! (d) Ortho compounds iii. In the chlorination of alkanes, the first step in which chlorine free radicals are produced is called: (a) initiation (b) activation (c) propagation (d) deactivation In the reaction of propene with HCI, H' ion acts as...
Chemistry problem help as soon as possible. 21. Which of the following has the bonds ranked...
Chemistry problem help as soon as possible.
21. Which of the following has the bonds ranked in correct order in tems of polarity, from the mo polar to the least polar? (bonds: O-S, N-H, F-S. O-H, and N-Br Electronegativity values F-40 o-3.5. N a. F-S, O-H, O-S, N-H, N-Br 30. Br#28,s-25,Hs21 b. O-H, F-S, O-S, N-Br, N-H e. None of the above is correct 22. Which of the following statements regarding covalent bonds is faise? a. Double bonds are formed...
21. Which of the following compounds has the highest boiling poin A) A 22. Which of...
21. Which of the following compounds has the highest boiling poin A) A 22. Which of the following compounds is (are) predicted to be water soluble? B) B с) с D) D Both A and 1 are walcr seluble ure all water soluhc A)A B)B C) C D) D E) E 23. Consider the molecule acetic acid drawn below. What types of intermolecular forces exist between two molecules of this compound? он acetic acid A) Van der Waals only C)...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys,...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
And explain why?
6.68. In which of the following compounds would intermolecular hydrogen bonds be likely in the liquid state? a. diethyl ether (C2H5OC2H5) b. ammonia (NH3) c. methane (CH4) d. hydrogen fluoride (HF) e. acetic acid (CH3COOH) f. bromine (Br2) g. ethylene glycol (HOCH, CH, OH) h. methylamine (CH3NH2)
10. Which of the following compounds is expected to show the greatest similarity with esters, both in terms of substitution ability and in structure? CI CIT WN 1 (B) (A) YO 0 0 0 NN... Ooooooh Na HN NON HO OH chlorpyriphos, an insecticide adenosine triphosphate (ATP) (C) о он YO p-toluenesulfonic acid p-nitrotoluene ОА Loo OD Question 9 1 pts 9. What product is formed when the lactone below is heated with excess methanol and a catalytic amount of...
24. Which of the following compounds cannot form hydrogen bonds between its molecules? A) CH3CH2CH2NHCH3 C) CH3CH2CH2CH2NH2 B) CH3CH2CH2OCH3 D) CH3CH2CH2CH2OH 25. What is the IUPAC of the following compound? (Draw the structure) (CH3CH2)3COH A) 2-Ethyl-2-pentanol 3-Ethyl-3-pentanol B) 2-Ethyl-3-pentanol 2,2-Diethyl-1-butanol COH DH
12. Which compound is the strongest acid? 11. Which compound is the strongest base? (A) benzoic acid (B) 4-amino-2-methylbenzoic acid ©p-nitrobenzoic acid (A) m-nitroaniline (B) aniline 4-methylaniline 3-bromo-5-nitroaniline 24-dimethylaniline po 13. Which of the following compounds E)3.S-dinitrobenzoic acid is has the 4.ow many Ha atoms are in the compound: 14 cyclohexane-1,3-dione? (A) 2 (B) 4 (C)5 highest number of alpha hydrogen? (A) 2,4-dimethyl-3-hexanone (B) cyclohexanone C) benzaldehyde D) 2-heptanone (E) propanone IS. Which of the following compounds has the16. Which...
In stable organic compounds, carbon will always form (a) 2 bonds (b) 4 bonds (c) 3 bonds (d) 5 bonds Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers ! (d) Ortho compounds iii. In the chlorination of alkanes, the first step in which chlorine free radicals are produced is called: (a) initiation (b) activation (c) propagation (d) deactivation In the reaction of propene with HCI, H' ion acts as...
Chemistry problem help as soon as possible.
21. Which of the following has the bonds ranked in correct order in tems of polarity, from the mo polar to the least polar? (bonds: O-S, N-H, F-S. O-H, and N-Br Electronegativity values F-40 o-3.5. N a. F-S, O-H, O-S, N-H, N-Br 30. Br#28,s-25,Hs21 b. O-H, F-S, O-S, N-Br, N-H e. None of the above is correct 22. Which of the following statements regarding covalent bonds is faise? a. Double bonds are formed...
21. Which of the following compounds has the highest boiling poin A) A 22. Which of the following compounds is (are) predicted to be water soluble? B) B с) с D) D Both A and 1 are walcr seluble ure all water soluhc A)A B)B C) C D) D E) E 23. Consider the molecule acetic acid drawn below. What types of intermolecular forces exist between two molecules of this compound? он acetic acid A) Van der Waals only C)...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
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