JEE Main Chemistry question
Not in JEE Main or NEET syllabus
A metal M forms water soluble which is water soluble. It forms its oxide MO which becomes inert on heating. It forms its insoluble hydroxide which is soluble in NaOH solution. Then M is
Answer: (A)
Solution
A water-soluble sulphate, an oxide that becomes unreactive ("dead-burnt") on heating, and a hydroxide that dissolves in excess NaOH (amphoteric behaviour) together uniquely fit beryllium among these choices: is soluble, BeO becomes
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