Concept explainers
a) CHCl3, chloroform
Interpretation:
The line – bond structure, showing all nonbonding electrons for CHCl3, chloroform is to be given.
Concept introduction:
A covalent bond is formed by mutual sharing of two electrons between the atoms, each atom giving one electron for sharing. Such a covalent bond, that is, a pair of shared electrons is represented as a line between the atoms, for example as A-B. Valence electrons that are not used for bonding are called lone-pair of electrons or nonbonding electrons. The nonbonding electrons are usually omitted while drawing line-bond structure.
To determine:
The line – bond structure, showing all nonbonding electrons for CHCl3, chloroform
b) CH3NH2, methylamine
Interpretation:
The line – bond structure, showing all nonbonding electrons for CH3NH2, methylamine is to be given.
Concept introduction:
A covalent bond is formed by mutual sharing of two electrons between the atoms, each atom giving one electron for sharing. Such a covalent bond, that is, a pair of shared electrons is represented as a line between the atoms, for example as A-B. Valence electrons that are not used for bonding are called lone-pair of electrons or nonbonding electrons. The nonbonding electrons are usually omitted while drawing line-bond structure.
To determine:
The line – bond structure, showing all nonbonding electrons for CH3NH2, methylamine.
c) H2S, hydrogen sulfide
Interpretation:
The line – bond structure, showing all nonbonding electrons for H2S, hydrogen sulfide is to be given.
Concept introduction:
A covalent bond is formed by mutual sharing of two electrons between the atoms, each atom giving one electron for sharing. Such a covalent bond, that is, a pair of shared electrons is represented as a line between the atoms, for example as A-B. Valence electrons that are not used for bonding are called lone-pair of electrons or nonbonding electrons. The nonbonding electrons are usually omitted while drawing line-bond structure.
To determine:
The line – bond structure, showing all nonbonding electrons for H2S, hydrogen sulfide.
d) CH3 Li, methyllithium
Interpretation:
The line – bond structure, showing all nonbonding electrons for CH3 Li, methyllithium is to be given.
Concept introduction:
A covalent bond is formed by mutual sharing of two electrons between the atoms, each atom giving one electron for sharing. Such a covalent bond, that is, a pair of shared electrons is represented as a line between the atoms, for example as A-B. Valence electrons that are not used for bonding are called lone-pair of electrons or nonbonding electrons. The nonbonding electrons are usually omitted while drawing line-bond structure.
To determine:
The line – bond structure, showing all nonbonding electrons for CH3 Li, methyllithium
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Chapter 1 Solutions
Organic Chemistry
- Draw Lewis structures for the following compounds.(a) ammonia, NH3 (b) water, H2O(c) hydronium ion, H3O+ (d) propane, C3H8(e) dimethylamine, CH3NHCH3 (f) diethyl ether, CH3CH2OCH2CH3(g) 1-chloropropane, CH3CH2CH2Cl (h) propane-2-ol, CH3CH(OH)CH3(i) borane, BH3 (j) boron trifluoride, BF3Explain what is unusual about the bonding in the compounds in parts (i) and (j)arrow_forward(a) Triazine, C3 H3 N3, is like benzene except that in triazineevery other C¬H group is replaced by a nitrogen atom. Draw the Lewis structure(s) for the triazine molecule. (b) Estimatethe carbon–nitrogen bond distances in the ring.arrow_forward(a) Triazine, C3 H3 N3, is like benzene except that in triazineevery other C¬H group is replaced by a nitrogen atom.Draw the Lewis structure(s) for the triazine molecule. (b) Estimatethe carbon–nitrogen bond distances in the ring.arrow_forward
- (a) Determine the formal charge of oxygen in the following structure. If the atom is formally neutral, indicate a charge of zero. (b) Draw an alternative Lewis (resonance) structure for the compound given in part (a). Show the unshared pairs and nonzero formal charges in your structure. Don't use radicals. Formal charge on O 0arrow_forwardDraw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) SiCI4, silicon tetrachloride (b) PBr3, phosphorus tribromide (c) CI2O, dichlorine oxide Provide everything stated in the instructions for each compound.arrow_forward16. Which of the following structures is the CORRECT resonance structure of the following. molecule: (A) (B) (C) (D) CH3- CH₂ CH3 -H CH₂CH3 CH₂CH-CH₂ CH3 CH3arrow_forward
- Draw the shapes of the following molecules and ions in 3-dimension showing clearly the bonds between the atoms and the lone pairs of electrons on the central atom, if any. (a) CH3OH, methanol (b) H2O2, hydrogen peroxide (c) CH3CH=CHCI, 1-chloropropene Provide everything stated in the instructions.arrow_forwardDraw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) AIH4-, aluminium hydride ion (b) CH3-, methyl carbanion (c) POCl3, phosphorus oxychloride Provide everything stated in the instructions for each compound.arrow_forwardDraw a Lewis structure for each of the following molecules: (a) chlorodifluoromethane, CHClF2 (b) propanoic acid, C2 H5CO2H (basic structure pictured below) (c) acetonitrile, CH3CH (the framework is H3C-C-N) (d) allene, H3CCCH2arrow_forward
- Draw a Lewis structure for each of the following molecule: (a) chlorodifluoromethane, CHCIF2 (b) propanoic acid C2H5CO2H (basic structure pictured below) (c) acetonitrile, CH3CN ( the framework is H3C-C-N) (d) allene, H2CCCH2arrow_forward(d) A substance has the molecular formula C4H,N. Is there any likelihood that this material contains a triple bond? Provide reasons.arrow_forwardCalculate the Enthalpy Change (ΔH) from average bond energies, which have been listed below in KJ/mol, for the following reaction and identify the nature of the reaction: CH3COOH + CH3OH → CH3COOCH3 + H2O [C‒H: 413; C‒C: 347; C=O: 745; C=C: 614; Cl‒Cl: 239, C‒O: 358; O‒H: 467]arrow_forward
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning