Two metals X and Y belong to the second group of the periodic table. X forms insoluble oxide but soluble sulphate. Y forms a soluble oxide but insoluble sulphate. The hydroxide of metal X is soluble in NaOH while that of metal Y is insoluble in NaOH. What are metals X and Y?
X=Mg,Y=Ca
X=Ca,Y=Sr
X=Be,Y=Ba
X=Ba,Y=Mg
A
X=Ca,Y=Sr
B
X=Be,Y=Ba
C
X=Mg,Y=Ca
D
X=Ba,Y=Mg
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Solution
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Be(x)→BeO(insoluble)/BeSO4(soluble)
Ba(y)→BaO(soluble)/BaSO4(insoluble)
Be(OH)2 soluble in NaOH
Ba(OH)2 insoluble in NaOH
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