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JEE Main Chemistry question

ChemistryOrganic Chemistry - Some Basic Principles and TechniquesJEE Main

Which of the following is called alum?

Answer: (B)

Solution

A genuine alum has the formula with a monovalent and a trivalent metal sulphate; Na_2SO_4\cdot Al_2(SO_4)_3\cdot 24H_2O (soda alum)

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Question ID VK-138500