Chemistry

Problem

The strengths of four bases are as follows: ammonia:

K_b = 1.78 \times 10^{-5}

aniline:

pK_b = 9.37

pyridine:

pK_b = 8.71

diethylamine:

K_b = 6.9 \times 10^{-4}

Deduce the order of increasing base strength. a. aniline < pyridine < diethylamine < ammonia b. pyridine < ammonia < diethylamine < aniline c. diethylamine < aniline < ammonia < pyridine d. aniline < pyridine < ammonia < diethylamine

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