(a) Is a weak Brønsted-Lowry base necessarily a weak Lewis

Chapter 18, Problem 87P

(choose chapter or problem)

(a) Is a weak Brønsted-Lowry base necessarily a weak Lewis base? Explain with an example.

(b) Identify the Lewis bases in the following reaction:

        \(\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}{ }^{2+}(a q)+4 \mathrm{CN}^{-}(a q) \rightleftharpoons \mathrm{Cu}(\mathrm{CN})_{4}{ }^{2-}(a q)+4 \mathrm{H}_{2} \mathrm{O}(l)\)

(c) Given that \(K_{c}>1\) for the reaction in part (b), which Lewis base is stronger?

Equation Transcription:

 Kc > 1

Text Transcription:

Cu(H_2O)_4^2+(aq) + 4CN ⎺ (aq) ⇌ Cu(CN)_4^2-(aq) + 4H_2O(l)

 

 Kc > 1

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