Which one of the following chlorides has maximum tendency to form hydrate?

B a C l_{2}

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N a C l

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M g C l_{2}

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L i C l

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Solution

The correct option is A $L i C l$
A correct option would be Lithium.
Lithium is the smallest in size amongst all. Hence $L i^{+}$ ion polarises water molecule easily than the others. Water molecules get attached to $L i^{+}$ as the water of crystallization. The common example is ( $L i C l .2 H_{2} O$ ). As the size increases the polarising power of cation decreases, therefore, higher member of the group generally form anhydrous salt.

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Similar questions

Which of the following statements are correct

I. Both $L i C l$ and $M g C l_{2}$ are soluble in ethanol

II. Both $L i C l$ and $M g C l_{2}$ are deliquescent

III. $L i C l$ and $M g C l_{2}$ form hydrates like $L i C l .8 H_{2} O$ and $M g C l_{2} .2 H_{2} O$

IV. $N a H C O_{3}$ used as fire extinguisher

Which of the following statements are correct

I. Both $L i C l$ and $M g C l_{2}$ are soluble in ethanol

II. Both $L i C l$ and $M g C l_{2}$ are deliquescent

III. $L i C l$ and $M g C l_{2}$ form hydrates like $L i C l .8 H_{2} O$ and $M g C l_{2} .2 H_{2} O$

IV. $N a H C O_{3}$ used as fire extinguisher

R a C l_{2} < B a C l_{2} < S r C l_{2} < C a C l_{2} < M g C l_{2} < B e C l_{2}

B e C l_{2} < M g C l_{2} < C a C l_{2} < S r C l_{2} < B a C l_{2} < R a C l_{2}

R a C l_{2} < B a C l_{2} < S r C l_{2} < C a C l_{2} < M g C l_{2} < B e C l_{2}

R a C l_{2} < B a C l_{2} < S r C l_{2} < C a C l_{2} < M g C l_{2} < B e C l_{2}

B e C l_{2}, S r C l_{2}, M g C l_{2}, C a C l_{2}, B a C l_{2}

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