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- 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:Option: 1 SrOption: 2 CaOption: 3 Mg
- #Engineering
- #s- Block Elements ( Alkali and Alkaline earth metals )
- #Joint Entrance Examination Main
- #Chemistry
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:
Option: 1 Sr
Option: 2 Ca
Option: 3 Mg
Option: 4 Be
Answers (1)
M is "Be" alkaline earth metal.
Be readily forms water-soluble sulphate BaSO4
Be(OH)2 is water-insoluble hydroxide.
BeO is very stable to heat and does not have a rock-salt structure.
Therefore, the correct option is (4).
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