MCQ
Most acidic among given compound is
- A$Pr(OH)_3$
- B$Gd(OH)_3$
- C$Sm(OH)_3$
- ✓$Er(OH)_3$
✓
Answer
Correct option: D.
$Er(OH)_3$
d
In lanthanoids hydroxides on moving left to right acidic nature increases.
In lanthanoids hydroxides on moving left to right acidic nature increases.
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