please answer question no.22
with appropriate reason...
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BeO>MgO>CaO>BaO (acidic order)
the most acidic oxide is BeO
Anu726:
thanks
but can u say why ?
as you can see the charge on cation and anion are the same so, all depends on the size of cation.
according to fajans’ rule as the size of cation increases the polarizing power decreases and covalent character decreases. Or ionic character increases. Hence basic character increases down the group.
according to fajans’ rule as the size of cation increases the polarizing power decreases and covalent character decreases. Or ionic character increases. Hence basic character increases down the group.
thank you very much !
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Answer:
BeO > MgO > CaO > BaO
Most acidic is BeO and least acidic oxide is BaO.......
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