Q.
Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in
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a
Forming covalent halides
b
Forming polymeric hydrides
c
Exhibiting maximum covalency in compounds
d
Exhibiting amphoteric nature in their oxides
answer is C.
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Detailed Solution
Beryllium has the valency of +2 while aluminum exhibits its valency as +3.
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