2) Which of the following underlined alpha hydrogens are the most acidic? A) 0 CH3-CH B)...
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5. Which of the following underlined alpha hydrogens are the most acidic? A) ping underlined alpha hydroul it muc stalde. B) Section: 17-1 Section: 17-1 E) D) CH3-CH O CH3-C-CH2-CH CH3-C-CH2-C-OCH 3 CH3-C-CH3 CH3-C-0-CH3 11.
Which of the following molecules is 4-methyl-2-hexyne? CH2C=CCHCH2CH3 CH3 CHạCH2C=CCH2CH3 CH-CHCH-C=CH2 CH CH2C=CCH2CHCH CHE CH,CHCECCH2CH3 CH,
Which one of the following indicated hydrogens is most acidic? Which of the following statements explains the ketone-enol equilibrium shown below? ۲۴ و O A. Simple enols are more stable. 0 O B. The enol tautomer is stabilized by the conjugated TT system. 0 C. The enol tautomer is stabilized by the intramolecular hydrogen bonding. O D. The diketone is less coplanar. Both B and C
Which of the following compounds is the strongest carbon acid (which has the most acidic H's) ? CH2-C-CH2-NO CH-C-CH,-CH 11. CH2-CH-CH2-N-CH, IV NC-CH CH2-NO CH3 Select one: C. I D. IV
21. Consider the following: CHj CH2 CH-CHCH2 CH CH CH2 CH2 CH2 CH-CH2 CH3 CH-CHCH2 CH2 CH3 CH2-CHCH2 CH2 CH2 CH3 IV which two structures represent the same compound? a. I and II b. II and III c. I and III d. II and IV e. None of these 22. In which of these cases, does the central atom have a zero forma.l charge? a. HEH CH3 OCH3 C. F FBF d. H CH3 H CH3 CH CH3 CCH CH3...
30) Which of the following is the most stable diene? L. IV. A)I B) C)III D)IV E) V 31) Which of the following is an aromatic hydrocarbon? IV -CH A)I B C)ID)IVE) V 32) Which of the following conjugated dienes will not react with a dieneophile in a Diels-Alder reaction? Π. IV A) I B)11 C)111 D) IVE) I and III 33) The conjugate acid of the compound shown below is B) aromatic D) antiaromatic. E) none of the above....
Give common names: a. C CHZ CH-CH3 OH ?. d. CH3 CH2-0-CH2-CH2-CH2-CH3 b. 0 CH2 CH CH2 CH2 CH3 CH2CH3 2 e. CH3 N CH2-CH2-CH3
Which of the hydrogens shown in the following molecule would be most acidic? HỌN NH 2) O A1) O B2)
Which of the following can exist in enantiomers? a. b. CH3 CH3-CH;-CH2-C-CH; CH3-CH2-CEC-CH, C. d. all of these choices CH3-CH-C-CHE -8-сон, CH,-8-3-CH, спесне: -он, 10. What type of compound is the second product in the reaction shown below? CH-0-2-CH, OCH & CHOCH, H,CH, +3 NaOH + CH-OH + CH-OH CH -0-C-(CH2)16CH, a, fatty acid salt b. ester CH-OH c. alcohol d. fatty acid
Which of the following pairs of compounds are isomers? A) CH3 -CH2-O-CH2-CH3 and CH2-0 - CH2-CH3 CH3 B) 0 CH3-CH2-C- CH3 and CH3 - CH2 - CH2-CH ОН CH3-CH2-CH-OH and CH3 - CH-CH2-CH3 CH3 D) CH3-CH2-CH2-OH and CH3-O-CH3 CH3CH2OH and HC CH3