13. 氧化鈣(CaO)會與二氧化碳(CO2)反應生成碳酸鈣(CaCO3)。在此反應中,下列哪一物種為路易士酸(Lewis acid)?
(A)
【用戶】gayoula
【年級】高三下
【評論內容】CO2 accepts a pair of electrons from the O2− ion in CaO to form the carbonate ion. The oxygen in CaO is an electron-pair donor, so CaO is the Lewis base. Carbon accepts a pair of electrons, so CO2 is the Lewis acid.