PO4-3 is the principle phosphate anion, when soil pH is
A. > 8.0
B. > 8.5
C. > 9.0
D. > 10
Answer: Option C
Solution(By Examveda Team)
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.
This Question Belongs to Agriculture >> Soil Science
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