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Anhydrous MgCl(2) is obatined by heating...

Anhydrous `MgCl_(2)` is obatined by heating hydrate salt with _____.

Text Solution

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The correct Answer is:
Dry `HCl`
Anhydrous `MgCl_(2)` is obtained by heating the hydrated salt with dry `HCl`.
`MgCl_(2).6H_(2)Ooverset(Dry HCl)rarrMgCl_(2)+6H_(2)O`
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Anhydrous AlCl_(3) cannot be prepared by heating hydrated salt. Why?

Knowledge Check

  • Anhydrous MgCl_(2) is obatined by heating hydrate salt, MgCl_(2).6H_(2)O .

    A
    Strongly in air
    B
    In presnence of coke
    C
    In presence of conc `H_(2)SO_(4)` which absorbs moisture
    D
    In presence of dry `HCl` gas

  • Anhydrous MgCl_(2) can be prepared by :

    A
    heating `MgCl_(2).6H_(2)O(s)`
    B
    heating `MgCl_(2).6H_(2)O(s)` in dry HCl atmosphere at `175^(@)`
    C
    heating KCl.`MgCl_(2).6H_(2)O`
    D
    all of the above

  • Statement-1:Sodium chloride is added during electrolysis of fused anhydrous magnesium chloride. Statement-2:Anhydrous magnesium chloride is obtained by heating hydrated magnesium chloride, MgCl_2. 6H_2O

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

    • Similar Questions

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    Pure anhydrous MgCl_(2) can be prepared from the hydrated salt by

    "Statement I: Anhydrous " MgCl_(2) " cannot be prepared by direct heating of hydrated " MgCl_(2). " Statement II: During heating, hydrolysis of " MgCl_(2) " takes place producing " MgO

    "Statement I: Anhydrous " MgCl_(2) " cannot be prepared by direct heating of hydrated " MgCl_(2). " Statement II: During heating, hydrolysis of " MgCl_(2) " takes place producing " MgO

    "Statement I: Anhydrous " MgCl_(2) " cannot be prepared by direct heating of hydrated " MgCl_(2). " Statement II: During heating, hydrolysis of " MgCl_(2) " takes place producing " MgO

    Assertion Anhydrous MgCl_2 cannot be obtained by heating MgCl_2.6H_2O MgCl_2.6H_2O is a highly stable compound, not affected by heat.

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