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Q.

Given Below are two statements: Statement I: Both CaCl2.6H2O  and MgCl2.8H2O undergo dehydration on heating.Statement II: BeO is amphoteric where as the oxides of the elements in the same group are acidic.In the light of the above statement, choose the correct answer from the option given below

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a

Statement I and statement II is false

b

Statement I is false but statement II is true

c

Statement I and statement II is true

d

Statement I is true but statement II is false

answer is A.

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Detailed Solution

MgCl28H2O→ΔMgO+2HCl+7H2O Hydrated  MgCl2 on heating undergoes hydrolysis. So we don’t get anhydrous MgCl2. Alkaline earth metal oxides are basic in nature except BeO which is amphoteric.
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