Write balanced equations for:
(a)a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
(b)a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

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Solution

(a) $2 A l + 2 N a O H + 2 H_{2} O ⟶ 2 N a A l O_{2} + 3 H_{2}$

(b) $P b O + 2 N a O H ⟶ N a_{2} P b O_{2} + H_{2} O$

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Write balanced equations for: (a)a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions. (b)a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

(a) 2Al+2NaOH+2H2O⟶2NaAlO2+3H2 (b) PbO+2NaOH⟶Na2PbO2+H2O

Write balanced equations for:
(a)a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
(b)a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

(a) $2 A l + 2 N a O H + 2 H_{2} O ⟶ 2 N a A l O_{2} + 3 H_{2}$

(b) $P b O + 2 N a O H ⟶ N a_{2} P b O_{2} + H_{2} O$