Question

Which pairs of compounds will form a buffer in aqueous solution?
HCl and NaOH
HCl and NaCl
HCN and NaCN
HCN and HCl
NaCN and NaOH
NaCN and KCN
HC2H3O2 and KC2H3O2
H3BO3 and Na3BO3

Answer 1

Explanation:

HCN and NaCN form a buffer in aqueous Solution.

HCl and NaOH don’t form a buffer in aqueous Solution

NaOH and NaCN will not form a buffer in aqueous Solution.

HCl and HCN don’t form a buffer in aqueous Solution.

HCl and NaCl will not form a buffer in aqueous Solution.

NaCN and KCN don’t form a buffer in aqueous Solution.