Choose the incorrect statement

Moderate

A

$B e C O_{3}$ is preserved in an atmosphere of $C O_{2}$ as it is thermally least stable
B

$B e F_{2}$ forms a complex compound with excess NaF, in which the complex entity containing Be, is a cation
C

Beryllium dissolves in an alkali to form ${[B e {(O H)}_{4}]}^{- 2}$
D

Beryllium exhibits no diagonal relationship with sodium

Solution

$B e F_{2} + N a F \to N a_{2} [B e F_{4}]$

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