We’re gift asked tocalculate the equilibrium concentration the the hydroxide ion (OH-)in a0.150 M C6H5NH2 solution.

You are watching: What is the kb expression for aniline c6h5nh2

To resolve this problem, we require to:

Step 1. Determine the dissociation of the basic in water.

Step 2. Build the ice cream chart.

Step 3. Determine the equilibrium concentration of OH-

Step 1.Since C6H5NH2 has actually a short Kb value, that a weak base. Remember thatweak basespartially dissociate in water and thatbases expropriate H+ from the acid(water in this case). The dissociation of C6H5NH2 is as follows:


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Problem Details

Aniline, C6H5NH2, is a weak base the dissociates in water. At 25 °Celsius, the base dissociation constant, Kb, because that aniline is 4.3 x 10 -10.

(A) determine the hydroxide ion concentration and also the portion dissociation that a 0.150 molar equipment of aniline in ~ 25 °Celsius.


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What scientific concept do you need to understand in stimulate to resolve this problem?

Our tutors have indicated that to settle this trouble you will require to apply the Weak Bases concept. If friend need much more Weak Bases practice, girlfriend can also practice Weak Bases exercise problems.


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Based on ours data, we think this difficulty is relevant for Professor Jones' course at university of Guelph.


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