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Oxides of Sulphur

Arrange the f...

Question

Arrange the following in order of increasing Thermal stability:

[ $B e S O_{4}$ , $M g S O_{4}$ , $C a S O_{4}$ ]

BeSO

_{4}

< MgSO

_{4}

< CaSO

_{4}

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BeSO

_{4}

> MgSO

_{4}

> CaSO

_{4}

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BeSO

_{4}

< CaSO

_{4} < M g S O

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CaSO

_{4}

< MgSO

_{4}

< BeSO

_{4}

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Solution

The correct option is A BeSO $_{4}$ < MgSO $_{4}$ < CaSO $_{4}$
As the size of metal ions increases, the thermal stability increases due to less polarizability and strong overlap of hybrid orbitals between similar sized species.

Hence, $B e S O_{4} < M g S O_{4} < C a S O_{4}$

So, option A is correct.

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Similar questions

B e S O_{4}, M g S O_{4}, C a S O_{4}

Why are $B e S O_{4} a n d M g S O_{4}$ readily solubel in water whle $C a S O_{4}, S r S O_{4}$ are insoluble?

BeSO₄ is water soluble while CaSO₄ is not. This is because of:

H_{2} O

B e S O_{4} > M g S O_{4} > C a S O_{4} > B a S O_{4}

B e (O H)_{2} > M g (O H)_{2} > C a (O H)_{2} > B a (O H)_{2}

L i O H < N a O H < K O H < R b O H

L i_{2} C O_{3} < N a_{2} C O_{3} < K_{2} C O_{3} < R b_{2} C O_{3}

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