For a Solution Equimolar in HCN and NaCN,which Statement Is

question 60

Multiple Choice

For a solution equimolar in HCN and NaCN,which statement is false?

• A)This is an example of the common ion effect.
• B)The [H⁺] is larger than it would be if only the HCN was in solution.
• C)The [H⁺] is equal to the K_a.
• D)Addition of more NaCN will shift the acid dissociation equilibrium of HCN to the left.
• E)Addition of NaOH will increase [CN^-] and decrease [HCN].