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Ch.1 - Structure and Bonding
Wade - Organic Chemistry 9th Edition
Wade9th EditionOrganic ChemistryISBN: 9780135213728당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Wade 9th EditionCh.1 - Structure and Bonding문제 29
1장, 문제 29

For each compound, state whether its bonding is covalent, ionic, or a mixture of covalent and ionic.
a. NaCl
b. NaOH
c. CH3Li
d. CH2Cl2
e. NaOCH3
f. HCO2Na
g. CF4

검증된 단계별 안내
1
Identify the types of elements involved in each compound. Generally, compounds formed between metals and nonmetals are ionic, while those formed between nonmetals are covalent.
For NaCl, recognize that it consists of a metal (Na) and a nonmetal (Cl), indicating ionic bonding.
For NaOH, note that it contains a metal (Na) and a polyatomic ion (OH). The bond between Na and OH is ionic, while the bond within OH is covalent.
For CH3Li, observe that it contains a metal (Li) and a nonmetal (C). This suggests a mixture of covalent (C-H bonds) and ionic (C-Li bond) bonding.
For CH2Cl2, recognize that it consists entirely of nonmetals (C, H, Cl), indicating covalent bonding.

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주요 개념

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Covalent Bonding

Covalent bonding occurs when two atoms share one or more pairs of electrons, typically between nonmetals. This type of bond is characterized by the mutual sharing of electrons to achieve a full outer shell, resulting in the formation of molecules. Examples include the bonds in CH2Cl2 and CF4, where carbon shares electrons with hydrogen, chlorine, or fluorine.
추천 영상:
11:33
Differences between ionic, polar and covalent bonds

Ionic Bonding

Ionic bonding involves the transfer of electrons from one atom to another, leading to the formation of charged ions. This bond typically occurs between metals and nonmetals, where the metal loses electrons to become a cation, and the nonmetal gains electrons to become an anion. NaCl is a classic example, where sodium donates an electron to chlorine.
추천 영상:
11:33
Differences between ionic, polar and covalent bonds

Mixed Bonding (Covalent and Ionic)

Some compounds exhibit both covalent and ionic characteristics, often involving polyatomic ions. In such cases, covalent bonds exist within the polyatomic ion, while ionic bonds form between the ion and other atoms. For instance, in NaOH, the OH group is covalently bonded, while the bond between Na and OH is ionic.
추천 영상:
11:33
Differences between ionic, polar and covalent bonds
관련 실천
교과서 질문

Both PCl3 and PCl5 are stable compounds. Draw Lewis structures for these two compounds.

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교과서 질문

There is a small portion of the periodic table that you must know to do organic chemistry. Construct this part from ­memory, using the following steps.

a. From memory, make a list of the elements in the first two rows of the periodic table, together with their numbers of valence electrons

b. Use this list to construct the first two rows of the periodic table.

c. Organic compounds often contain sulfur, phosphorus, chlorine, bromine, and iodine. Add these elements to your ­periodic table.

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교과서 질문

Draw a Lewis Structure for each species.

e. CH3CHO

f. CH3S(O)CH3

g. H2SO4

h. CH3NCO

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교과서 질문

Draw a Lewis Structure for each species.

a. N2H4

b. N2H2

c. (CH3)2NH2Cl

d. CH3CN

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교과서 질문

Name the element that corresponds to each electronic configuration.

a. 1s2 2s2 2p2

b. 1s2 2s2 2p4

c. 1s2 2s2 2p6 3s2 3p3

d. 1s2 2s2 2p6 3s2 3p5

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교과서 질문

b. Draw the resonance forms for ozone (bonded O–O–O)

c. Sulfur dioxide has one more resonance form than ozone. Explain why this structure is not possible for ozone.

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