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Author Question: Aniline, (C6H5NH2, Kb = 4.3 10-10 at 25C) is an industrially important amine used in the making of ... (Read 129 times)

sc00by25

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Question 1

What is the pH of a 0.30 M pyridine solution that has a Kb = 1.9 × 10-9? The equation for the dissociation of pyridine is

C5H5N(aq) + H2O(l) ⇌ C5H5NH+(aq) + OH-(aq).

◦ 8.72
◦ 10.38
◦ 4.62
◦ 9.38

Question 2

Aniline, (C6H5NH2, Kb = 4.3 × 10-10 at 25°C) is an industrially important amine used in the making of dyes. Determine the pH of an aniline solution made by dissolving 3.90 g of aniline in enough water to make 100 mL of solution.
◦ 10.74
◦ 9.74
◦ 9.13
◦ 4.87


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Marked as best answer by sc00by25 on Feb 15, 2020

scikid

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sc00by25

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Reply 2 on: Feb 15, 2020
Great answer, keep it coming :)


xoxo123

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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