1.

Choose the incorrect statements.

Answer»

`BeCO_(3)` is preserved in an ATMOSPHERE of `CO_(2)` as it is thermaly least stable.
`BeF_(2)` forms a complex compound with excess NAF, in which the complex ENTITY containing Be, is a cation.
Beryllium dissolves in an alkali to form `[Be(OH)_4]^(2-)` ion.
Beryllium exhibits no diagonal relationship with sodium.

Answer :B


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