Which is the strongest base?
A) CH3NH2,Kb = 4.4 × 10-4
B) C5H5N,Kb = 1.7 × 10-9
C) H2NCONH2,Kb = 1.5 × 10-14
D) NH3,Kb = 1.8 × 10-5
E) C2H5NH2,Kb = 5.6 × 10-4
Correct Answer:
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