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The pka for CH3C(=O)CH3 (acetone) is 20. The formula for the base is followed by the pka of its conjugate acid. Select one: O ANH3pka
The pka for CH3C(=O)CH3 (acetone) is 20. The formula for the base is followed by the pka of its conjugate acid. Select one: O ANH3pka - 9.25 O B. CH3CH20pka - 16 CH20, pa = 15,74 D. NH2. pka = 38 EC6H50pka 9.88 Find the suitable reagent for the transformation OH CH Hoc HC Select one A LAHA B.PH CNH D. NABHA EP/C What is a hemiacetal? Select one: A. A hemacetal is formed from alcohols and acetic acid;a hemiacetal has both acetyl and OH groups on the same carbon atom. B. A hemiacetal, formed from an aldehyde and an alcohol, has OH and aldehyde groups on adjacent carbon atoms in its structure. O .Compounds prepared from ketones and alcohols and with OH and OR groups on the same carbon are known as hemiacetals. X D. A bemiacetal is a product of acetyl group hydrolysis; it contains a COOH group @E. A hemiacetal, prepared from an alcohol and an aldehyde, is a compound that contains both OH and OR groups on the same carbon Which of the following is TRUE regarding stereoisomers? Select one A Stereoisomers differ in the way atoms are connected but have identical spatial orientation of atoms. They can be constitutional or configurational B. Stereoisomers have the same atom connectivity but have different functional groups on the same positions of the carbon backbone. They can be conformational or contigurational Stereoisomers differ in the way atoms are connected but have identical spatial orientation of atoms. They can be conformational or X configurational D. Stereoisomers have the same atom connectivity but have different spatial orientation of atoms. They can be conformational or configurational E Stereoisomers have the same atom connectivity but have different spatial orientation of atoms. They can be constitutional or enantiomend Which of the following lists the substituents in the order of priority, from highest (priority 1) to lowest (priority 4? Select one: AO-CHCH2-CH2CH3 CH3 OB. a. -CH2CH3 -CH=CH2-CH3 OC-CH2CH3 CH3 CH2CH2 D. CH3 -CH=CH2-CH2CH2- CH. CHCH. CH.CH- Which of the following have correct assignments of both group priorities and absolute configurations? Select one: OA (4) CH3 (1) H CH3 (2) S configuration B. (4) CH3 H CH3 (2) I configuration CI(1) CH3 (4) H CH3 (3) S configuration D CI(1) CH3 (4) H CH3 (3) 013 (2) I configuration CI(1) CH3 (4) H *** CH3 (3) S configuration D CI(1) CH3 22612 CH3 (3) d configuration CI(1) 12242 CH3 (4) CH (3) Rconfiguration
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