Alum is a double sulphate.(a) true(b) falseI got this question in an online interview.I need to ask this question from p-Block Elements topic in portion p-Block Elements of Chemistry – Class 11

Alum is a double sulphate.(a) true(b) falseI got this question in an o

1.	Alum is a double sulphate.(a) true(b) falseI got this question in an online interview.I need to ask this question from p-Block Elements topic in portion p-Block Elements of Chemistry – Class 11
Answer» Correct choice is (a) true To elaborate: The term ALUM is given to double sulphates of the type X2SO4.Y2(SO4)3.24H2O where, X REPRESENTS a monovalent cation such as sodium ion, potassium ion and ammonium while why is a trivalent cation such as aluminium 3 +, chromium 3 +, ferrous 3 + and Cobalt 3 +. Lithium-ion does not FORM alum.

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Alum is a double sulphate.(a) true(b) falseI got this question in an online interview.I need to ask this question from p-Block Elements topic in portion p-Block Elements of Chemistry – Class 11

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