The correct formula of the oxide of Eka-aluminium element predicted by Mendeleev was:
(a) EaO3
(b) Ea3O2
(c) Ea2O3
(d) EaO
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Solution
Ea2 O3
The correct formula for the oxide of eka-aluminium, as predicted by Mendeleev, is Ea2O3.
Concept: Merits of Mendeleev’s Periodic Table
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