Chapter 16, Problem 121
Which is a stronger base, S2 - or Se2 -? Explain.
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Consider a 0.10 M solution of a weak polyprotic acid (H2A) with the possible values of Ka1 and Ka2 given here.
a. Ka1 = 1.0 × 10-4; Ka2 = 5.0 × 10-5
Calculate the contributions to [H3O+] from each ionization step. At what point can the contribution of the second step be neglected?
Based on molecular structure, arrange the binary compounds in order of increasing acid strength. Explain your choice. H2Te, HI, H2S, NaH
Based on molecular structure, arrange the oxyacids in order of increasing acid strength. Explain your choice. HClO3, HIO3, HBrO3
Classify each species as either a Lewis acid or a Lewis base. a. BeCl2
Classify each species as either a Lewis acid or a Lewis base. b. OH
Classify each species as either a Lewis acid or a Lewis base. c. B(OH)3