A `0.10 M` aqueous solution of which salt in each of the following pairs would have the higher `pH`

A `0.10 M` aqueous solution of which salt in each of the following pairs would have the higher `pH`? a. `NanO_(2)` or `NaAsO_(2)` b. `NaF` or `NaCN` c. `Na_(2)SO_(3)` or `Na_(2)TeO_(3)` d. `NaOHCl` or `NaOBr`