Question

The general formula of an alum is
M₂SO₄.M₂' (SO₄ )₃.24H₂O
where M is univalent and M' is a trivalent metal which of
the following does not form alum ?
(a) Li (b) Na
(c) K (d) all of these form alum

Answer 1

Answer:

The general formula of an alum is

M₂SO₄.M₂' (SO₄ )₃.24H₂O

where M is univalent and M' is a trivalent metal which of

the following does not form alum ?

(a) Li

(b) Na

(c) K

(d) all of these form alum

Answer 2

$\huge\fcolorbox{black}{pink}{Answer}$

The general formula of an alum is

M₂SO₄.M₂' (SO₄ )₃.24H₂O

where M is univalent and M' is a trivalent metal which of

the following does not form alum ?

POTASSIUM (K)

→Option C is correct.