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Reactivity with Halogens and Hydrogen (Group 2)

MgCl2· 6H2O o...

Question

$M g C l_{2} \cdot 6 H_{2} O$ on heating gives anhydrous $M g C l_{2}$ . If true enter 1, else enter 0.

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Solution

On heating, $M g C l_{2} \cdot 6 H_{2} O$ undergoes partial hydrolysis.
$M g C l_{2} \cdot 6 H_{2} O ⇌ M g (O H) C l + H C l + 5 H_{2} O$
Anhydrous $M g C l_{2}$ is obtained by heating the hydrated salt with dry HCl.
$M g C l_{2} \cdot 6 H_{2} O D r y H C l \to M g C l_{2} + 6 H_{2} O$

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Similar questions

M g C l_{2}

is obtained by heating the hydrated salt with dry HCl. If true enter 1, else enter 0.

M g {C l}_{2}

can be prepared by heating

M g {C l}_{2} \cdot 6 H_{2} O

Q. Arrange the following in the order given below :

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A l {C l}_{3} < M g {C l}_{2} < N a C l

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If true enter 1, else enter 0.

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