Problem: Which pair of compounds will form a buffer in aqueous solution? HCN and NaCN HCl and NaOH NaCN and NaOH HCN and HCl HCl and NaCl NaCN and KCN

FREE Expert Solution

Recall that a buffer can be composed of the following:

weak base and its conjugate acid
weak acid and its conjugate base
weak acid and a strong base 

▪ concentration of weak acid > concentration of strong base

weak base and a strong acid 

concentration of weak base > concentration of strong acid


Analyze each: 

A) HCN and NaCN 


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Problem Details

Which pair of compounds will form a buffer in aqueous solution? 

HCN and NaCN 

HCl and NaOH 

NaCN and NaOH 

HCN and HCl 

HCl and NaCl 

NaCN and KCN

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