The best coagulant for the precipitation of Fe(OH)3 sol is
A
CaHPO3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
NaNO3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
AlPO4
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
MgSO4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is CAlPO4 It is important to realise that this is a postively charged sol. PO3−4 is the most effective for Fe(OH)3 as it has the highest negative charge.