Which of the following sulphate will decompose at highest temperature? A.beso4 B.mgso4 C.caso4 D.baso4
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BaSO4 will decompose on heating at highest temperatures.
1) The Strength of the bonds is dependent on the comparison between size of anion and cation.
2) Here SO4 ion is very large in size, whereas Ba ion is also comparably large
3) Due to less difference in sizes, the Bond would not be easier to break on applying heat.
Hence, BaSO4 will decompose at high temperature, while BeSO4 would decompose easily due to great difference in size.
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