An alkaline earth metal ‘M’ readily forms water soluble sulphate and water insoluble hydroxide. Its oxide MO is very stable to heat and does not have rock-salt structure. M is : 4 2 (A) Ca (B) Be (C)

Question

An alkaline earth metal ‘M’ readily forms water soluble sulphate and water insoluble hydroxide. Its oxide MO is very stable to heat and does not have rock-salt structure. M is : 4 2

(A) Ca
(B) Be
(C) Mg
(D) Sr

Prashant Kotian · Accepted Answer

Correct answer: B) BE. [Be] BeSO is water-soluble Be(OH) is water insoluble BeO is stable to heat

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