Concept explainers
a)
Interpretation:
The most acidic hydrogen in molecule CH3CH2CHO is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a
To give:
To give the most acidic hydrogen in molecule of CH3CH2CHO.
b)
Interpretation:
The most acidic hydrogen in molecule (CH3)3CCOCH is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a ketone or aldehyde is next acidic and a carboxylic acid derivative is least acidic. Alcohols, phenols and carboxylic acid are also acidic because of their –OH hydrogen’s.
To give:
To give the most acidic hydrogen in molecule of (CH3)3CCOCH.
c)
Interpretation:
The most acidic hydrogen in molecule CH3CO2H is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a ketone or aldehyde is next acidic and a carboxylic acid derivative is least acidic. Alcohols, phenols and carboxylic acid are also acidic because of their –OH hydrogen’s.
To give:
To give the most acidic hydrogen in molecule of CH3CO2H.
d)
Interpretation:
The most acidic hydrogen in Benzamide is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a ketone or aldehyde is next acidic and a carboxylic acid derivative is least acidic. Alcohols, phenols and carboxylic acid are also acidic because of their –OH hydrogen’s.
To give:
To give the most acidic hydrogen in Benzamide.
e)
Interpretation:
The most acidic hydrogen in a molecule CH3CH2CH2CN is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a ketone or aldehyde is next acidic and a carboxylic acid derivative is least acidic. Alcohols, phenols and carboxylic acid are also acidic because of their –OH hydrogen’s.
To give:
To identify the most acidic hydrogen in a molecule CH3CH2CH2CN.
f)
Interpretation:
The most acidic hydrogen in a molecule CH3CON(CH3)2 is to be given.
Concept introduction:
Hydrogen’s on carbon next to a carbonyl group are acidic. In general, α β dicarbonyl compounds is most acidic, a ketone or aldehyde is next acidic and a carboxylic acid derivative is least acidic. Alcohols, phenols and carboxylic acid are also acidic because of their –OH hydrogen’s.
To give:
To identify the most acidic hydrogen in a molecule CH3CON(CH3)2.
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Chapter 22 Solutions
Organic Chemistry
- In each of the following compounds, a particular atom is indicated with an ar- row. Determine whether this atom is nucleophilic, electrophilic, acidic. Some atoms may have none or more than one of these properties. (a) (b) (d) it H3C CH3 H3C4 CH3 + -OH₂ (e) (h) H3C H3C CH3 + OH₂ MgBr (c) (f) (i) H3C H3C سل CH3 + -OH₂ MgBrarrow_forwardIdentify the stronger base in each of the following pairsarrow_forwardWhich nitrogen atom is the most basic in compound P? H₂N (a) (b) P CN (c) (A) nitrogen a (B) nitrogen b (C) nitrogen c (D) it is impossible to determine the most basic nitrogen atomarrow_forward
- 2 Rank the following compounds with increasing acidity: (1 = least acidic; 3 = most acidic) (a) HH (b) (c) (d) HoHarrow_forwardRank each set of compounds in order of increasing basicity.(a) NaOH, NH3, CH3NH2, Ph¬NH2 (arrow_forwardWhich is the stronger acid in each of the following pairs? Explain your reasoning. (a) Phenol or p-hydroxybenzaldehyde (b) m-Cyanophenol or p-cyanophenol (c) o-Fluorophenol or p-fluorophenolarrow_forward
- Give IUPAC names for the following compounds.arrow_forward2. (a) MeO Least basic List the following compounds in order of increasing basicity. 265 NH₂ NH₂ NH →>> Most basic NH₂arrow_forward- Rank the following substances in order of increasing acidity: (a) Phenol, p-methylphenol, p-(trifluoromethyl)phenol (b) Benzyl alcohol, phenol, p-hydroxybenzoic acidarrow_forward
- Name the following carboxylic acid derivatives, giving both a common name and anIUPAC name where possible. (c) PhCH(CH3)COOCH3arrow_forward(a) Rank the following compounds in order of increasing acidity. (b) Which compound forms the strongest conjugate base?arrow_forward(c) Arrange the following compounds in order of increasing acidity, and explain the reasons for your choice of order: phenol, cyclohexanol, 2-fluorocyclohexanol, 2-fluorophenol.arrow_forward