CUSAT 2022 BTech Solved Paper Shift 3

Question : 98 of 200

Marks: +1, -0

Diagonal relationship between beryllium and aluminium is due to the fact that

the ionic radius and charge/radius ratio of Be2+ is nearly the same as that of Al3+ ion.
like aluminium, beryllium is readily attacked by acids
the chlorides of beryllium and aluminium are not soluble in organic solvents and are strong Lewis bases
beryllium and aluminium ions have no tendency to form complexes

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