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Which of the following about Be is not correct?

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Be has a high charge/size ratio

$B e^{+ 2}$ has high hydration energy

Be forms $B e S O_{4}$ which is soluble in water

Be does not show diagonal relationship with $Al$

answer is D.

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Detailed Solution

Beryllium to aluminum shows diagonal similarity such as similarity in ionic sizes and /or charge/radius ratio of the elements. Such type of relationship is commonly referred to as diagonal relationship in the periodic table.

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