How does sulphide and carbonates present in water toxic ?

1.	How does sulphide and carbonates present in water toxic ?
Answer» Solution :Sulphide `(S^(2-))` and carbonate `(CO_3^(2))` UNDERGO ANIONIC hydrolysis to FORM weak acids `H_2S and H_2CO_3`. The pH of water increases. Water becomes alkaline and TOXIC.

Discussion