Which of the folowing represents hydrolysis ? .

Options

A. `HCO_(3)^(-) +H_(2)O hArr CO_(3)^(2-) +H_(3)O^(+)`
B. `HCO_(3)^(-) +H_(2)O hArr H_(2)CO_(3) +OH^(-)`
C. `H_(3)BO_(3) +H_(2)O hArr H_(2)BO_(3)^(-)+H_(3)O^(+)`
D. `H_(2)PO_(4)^(-) +H_(2)O hArr HPO_(4)^(2-) +H_(3)O^(+)`

Answer

B

Explanation

Only option (b) is of the form .
`underset ("Salt")(A^(-)) +underset ("Water") (H_(2)O) hArr underset ("Acid")("HA")+underset ("Base")(OH^(-)`