$B e$ on dissolving in aqueous $N a O H$ yields :

N a_{2} B e O_{2}

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N a_{2} [B e (O H)_{4}]

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N a [B e (O H)_{3}]

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Both (A) and (B)

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Solution

The correct option is D Both (A) and (B)
Reaction of process:
$B e + 2 N a O H + 2 H_{2} O \to N a_{2} B e O_{2} .2 H_{2} O + H_{2}$
or
$B e + 2 N a O H + 2 H_{2} O \to N a_{2} [B e (O H)_{4}] + H_{2}$

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N a_{2} [B e (O H_{4})]

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