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CGP EDU Academic Team
Published on: August 14, 2026
A metal M readily forms water soluble sulphate MSO 4 , water insoluble hydroxide M(OH) 2 and oxide MO. The oxide and hydroxide are soluble in NaOH. The M is :
Text Solution
Verified by ExpertsThe correct answer is:
A
For alkaline earth metals,
solubility of sulphates decreases down the group.
solubility of hydroxide increases down the group.
BeO and Be(OH) 2 are amphoteric; so they are soluble in NaOH forming soluble [Be(OH) 4 ] 2– .
Hence metal M is Be.
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