Concept explainers
(a)
To determine: The compound that has zero dipole moment and higher boiling point.
Interpretation: The compound that has zero dipole moment and higher boiling point is to be identified.
Concept introduction: The dipole moment gives the polarity of the compound due to polarity difference of the atoms of the compound. It gives the charge separation of the molecule.
Larger the difference in the electronegativies of the atoms, larger is the dipole moment of the molecule. The compound that has high dipole moments has high boiling point due to presence of dipole-dipole attraction.
(b)
To determine: The compound that has zero dipole moment and higher boiling point.
Interpretation: The compound that has zero dipole moment and higher boiling point is to be identified.
Concept introduction: The dipole moment gives the polarity of the compound due to polarity difference of the atoms of the compound. It gives the charge separation of the molecule.
Larger the difference in the electronegativies of the atoms, larger is the dipole moment of the molecule. The compound that has high dipole moments has high boiling point due to presence of dipole-dipole attraction.
(c)
To determine: The stability of the given compounds and the amount of energy that makes one of them stable.
Interpretation: The stability of the given compound is to be determined and the amount of energy that makes one of them stable is to be calculated.
Concept introduction: The stability of
Heat of hydrogenation of an alkene is the standard enthalpy for the catalytic hydrogenation of the alkene. The value of heat of hydrogenation is always negative.
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Chapter 7 Solutions
Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
- In piezoelectricity and piezoelectric ceramics, one of the following options is false:(A). Piezoelectricity allows an electrical signal to be transformed into a mechanical one.(B). PbZrO3 is a well-known piezoelectric ceramic.(C). Piezoelectricity and ferroelectricity in general have no relationship.(D). One of the applications of piezoelectricity is sonar.arrow_forward(30 MARKS) Give the major product(s ) formed including relevant stereochemistry or the complete reaction conditions for the following reactions. More than one step may be required for each reaction arrow, in which case the steps must be numbered 1), 2) etc. (2 marks each box) h) i) h) OH i) HO H3PO4, heat 2 Brarrow_forwardNonearrow_forward
- Indicate which option is false(A). Resistivity has a residual component and a thermal component.(B). In some materials resistivity increases with T and in others it decreases.(C). In insulating materials, resistivity is very low.arrow_forwardIn ceramic materials, in relation to polymorphism, the same substance crystallizes differently when external conditions vary. Is this correct?arrow_forwardIndicate the type of bond that is considered to be a hydrogen bond.(A). Permanent dipole-dipole interaction between polar molecules.(B). Mixed ionic-covalent bond.(C). Principal interatomic bond(D). Van del Waals forces.arrow_forward
- Retro aldol: NaOH H₂O H NaOH & d H₂O Harrow_forwardDraw the product of the reaction shown below. Ignore inorganic byproducts. H conc. HBr Drawing Qarrow_forwardCalculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.arrow_forward
- A pdf file of your hand drawn, stepwise mechanisms for the reactions. For each reaction in the assignment, you must write each mechanism three times (there are 10 reactions, so 30 mechanisms). (A) do the work on a tablet and save as a pdf., it is expected to write each mechanism out and NOT copy and paste the mechanism after writing it just once. Everything should be drawn out stepwise and every bond that is formed and broken in the process of the reaction, and is expected to see all relevant lone pair electrons and curved arrows. Aldol: NaOH HO H Δ NaOH Δarrow_forwardNonearrow_forwardDraw structures corresponding to the following names and give IUPAC names for the following compounds: (8 Point) a) b) c) CH3 CH2CH3 CH3CHCH2CH2CH CH3 C=C H3C H H2C=C=CHCH3 d) CI e) (3E,5Z)-2,6-Dimethyl-1,3,5,7-octatetraene f) (Z)-4-bromo-3-methyl-3-penten-1-yne g) cis-1-Bromo-2-ethylcyclopentane h) (5R)-4,4,5-trichloro-3,3-dimethyldecanearrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
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