Q100
PO4-3 is the principle phosphate anion, when soil pH is
A.
> 8.0
B.
> 8.5
C.
> 9.0
AnswerD.
> 10
Answer: Option C
Solution
Answer: Option C
Solution:
Phosphate is an anion, salt, functional group, or ester derived from phosphoric acid. The phosphate or orthophosphate ion [PO4]-3 is derived from phosphoric acid by the removal of three protons.At soil pH around or more than 9, [PO4]-3 is the principle phosphate ion available in the soil.