Question

3.
Which of the following species can act both as acid as well as
a base?
(a) SO42-
(b) HSO4-
tc) PO43-
(d) OH-​

Answer 1

Answer:

except so42- all other act as acids as well as base

Answer 2

Answer:

Sulphate ion (SO42−) acts as a very weak base and phosphate ion (PO43−) effectively acts as a base. Bisulphate ion (HSO4−) can either donate or accept a proton and form sulphate ion and sulphuric acid respectively. Thus, it is amphoteric in nature and can act as both acid and base

Explanation:

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