Easyneet pyq 2026
+4 / -1
In potash alum, the ratio of K⁺ and SO₄²⁻ ions is
A
3 : 2
B
1 : 2
C
2 : 1
D
2 : 3
Explanation
Potash alum is KAl(SO₄)₂·12H₂O, so K⁺ : SO₄²⁻ = 1 : 2.
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