SATHEE: The sBlock Elements - Result Question 24

The sBlock Elements - Result Question 24

####25. Which of the following is an amphoteric hydroxide?

(a) $S r (O H)_{2}$

(b) $C a (O H)_{2}$

(c) $M g (O H)_{2}$

(d) $B e (O H)_{2}$

[2019]

Show Answer

Solution:

(d) Amphoteric hydroxide means it can react with both acid and base.

$B e (O H)_{2} + 2 H C l ⟶ B e C l_{2} + 2 H_{2} O$

$B e (O H)_{2} + 2 N a O H ⟶ N a_{2} [B e (O H)_{4}]$

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