Consider the species , , , , , , ,

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Consider the species CF4\text{CF}_4, GeH4\text{GeH}_4, BCl3\text{BCl}_3, AlBr3\text{AlBr}_3, H2O\text{H}_2\text{O}, PH3\text{PH}_3, PCl5\text{PCl}_5, CO2\text{CO}_2, and CH4\text{CH}_4. Calculate (x−y)2(x-y)^2, where xx is the total number of species that can act only as Lewis acids and yy is the total number of species that can act as both Lewis acids and Lewis bases.

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