[題目] 氧化還原與鍵結
氧化還原
C6H12O2中碳的氧化數？
鍵結
Which compound does not contain both polar covalent and ionic bonds?
(a) NaOH
(b) KC2H3O2
(c) CH3OH
(d) NH4NO3
(e) All of the above contain both polar covalent and ionic bonds.
In a polar bond, electrons:
(a) spend equal time around both nuclei
(b) are localized between both nuclei
(c) spend more time around the bigger nucleus
(d) spend more time around one of the nuclei than the other one
(e) spend more time around the smaller nucleus
If water and carbon dioxide molecules did interact, what major intermolecular
force will exist between these molecules?
(a) Covalent bond
(b) London dispersion
(c) Ion-dipole force
(d) Dipole-dipole force
(e) Hydrogen bonding
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