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Concept explainers
(a)
Interpretation:
All the carbon atoms with electron deficient sites have to be indicated.
Concept Introduction:
Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.
Polarity of a molecule is measured in term of dipole moment.
Resonance: The delocalization of electrons which is characterized as several structural changes.
The increase in electron density at one position with corresponding decrease in electron density at another position is called resonance effect.
Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.
- If the electronegativity difference is less than 0.5, electrons are equally shared between the two atoms.
- If the electronegativity difference is between 0.5 and 1.7, electrons are not equally shared between the two atoms, resulting in polar covalent bond and withdrawal of electrons takes place.
Withdrawal of electrons in a bond in response to electronegativity of nearby atoms is called inductive effect.
(b)
Interpretation:
All the carbon atoms with electron deficient sites have to be indicated.
Concept Introduction:
Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.
Polarity of a molecule is measured in term of dipole moment.
Resonance: The delocalization of electrons which is characterized as several structural changes.
The increase in electron density at one position with corresponding decrease in electron density at another position is called resonance effect.
Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.
- If the electronegativity difference is less than 0.5, electrons are equally shared between the two atoms.
- If the electronegativity difference is between 0.5 and 1.7, electrons are not equally shared between the two atoms, resulting in polar covalent bond and withdrawal of electrons takes place.
Withdrawal of electrons in a bond in response to electronegativity of nearby atoms is called inductive effect.
(c)
Interpretation:
All the carbon atoms with electron deficient sites have to be indicated.
Concept Introduction:
Polar molecule: The molecule with atoms bonded with different electronegativity. Dipole moment is used to measure the polarity of the molecule.
Polarity of a molecule is measured in term of dipole moment.
Resonance: The delocalization of electrons which is characterized as several structural changes.
The increase in electron density at one position with corresponding decrease in electron density at another position is called resonance effect.
Electronegativity: It is defined as the capacity of the atom to abstract the pair of electrons towards itself results to have high negative charge.
- If the electronegativity difference is less than 0.5, electrons are equally shared between the two atoms.
- If the electronegativity difference is between 0.5 and 1.7, electrons are not equally shared between the two atoms, resulting in polar covalent bond and withdrawal of electrons takes place.
Withdrawal of electrons in a bond in response to electronegativity of nearby atoms is called inductive effect.
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Chapter 2 Solutions
ORGANIC CHEMISTRY, WITH SOL. MAN/ STUDY
- 16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してしarrow_forward3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing mechanism below, but make sure to draw the product of each proposed step (3 points). + En CN CNarrow_forwardShow work..don't give Ai generated solution...arrow_forward
- Label the spectrum with spectroscopyarrow_forwardQ1: Draw the most stable and the least stable Newman projections about the C2-C3 bond for each of the following isomers (A-C). Are the barriers to rotation identical for enantiomers A and B? How about the diastereomers (A versus C or B versus C)? enantiomers H Br H Br (S) CH3 H3C (S) (R) CH3 H3C H Br A Br H C H Br H3C (R) B (R)CH3 H Br H Br H3C (R) (S) CH3 Br H D identicalarrow_forwardLabel the spectrumarrow_forward
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