Interpretation:
The differences in melting and boiling points of the given compounds have to be accounted.
Concept Introduction:
Intermolecular forces in a molecule are the important factor which is responsible for the physical changes of the molecule.
The intermolecular forces in gases are negligibly small and the forces are comparatively stronger in liquids and the intermolecular forces are highest in solids.
The stronger the intermolecular forces, closer will be the molecules in contact and thus higher will be the boiling point and melting point of the substance.
Hydrogen bonding is a special type of dipole-dipole interaction in a polar bond which has hydrogen atom and a highly electronegative atom such as Nitrogen, Oxygen and Fluorine. Hydrogen bonding can also be defined as coulombic attraction between the hydrogen atom and an electronegative atom.
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Chapter 18 Solutions
EP ORGANIC CHEMISTRY-OWL V2 ACCESS
- Compare N-methylacetamide with its amide isomers propanamide and N,N-dimethylformamide. Which do you predict has the highest boiling point? The lowest?arrow_forwardLSD (a hallucinogen) and codeine (a narcotic) are structurally more complex derivatives of 2-phenylethanamine. Identify the atoms of 2-phenylethanamine in each of the following compounds.arrow_forwardAcetic acid has a boiling point of 118°C, whereas its methyl ester has a boiling point of 57°C. Account for the fact that the boiling point of acetic acid is higher than that of its methyl ester even though acetic acid has a lower molecular weight.arrow_forward
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- Can you please give an explanation for question 6 ( continues to 2nd page)? Thank youarrow_forwardExplain why the boiling point of propanamide, CH3CH2CONH2, is considerably higher than the boiling point of N,Ndimethylformamide, HCON(CH3)2 (213 °C vs. 153 °C), even though both compounds are isomeric amides.arrow_forwardDRAW THE COMPOUNDS WITH THE FOLLOWING IUPAC NAMES...arrow_forward
- What is the white solid that forms when α-phenylethylamine comes in contact with carbon dioxide? Write an equation for its formulation.arrow_forwardA mixture of the compounds shown below is dissolved in cyclohexane. An aqueous solution of NaOH is added to the solution, and two layers are formed. Which compound(s) is(are) found in the aqueous layer? он HO Benzoic acid Beta-naphthol Naphthalene O Benzoic acid only O Beta-naphthol only O Naphthalene O Both Benzoic acid and beta-naphthol O Both beta-naphthol and naphthalenearrow_forwardExplain why a 1 ° amine and a 3 ° amine having the same number of carbons are soluble in water to a similar extent, but the 1 ° amine has a higher boiling point.arrow_forward
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