Name two alkalies that can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have unique nature.

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Solution

NaOH and KOH
Zn + 2NaOH → $N a_{2} Z n O_{2} + H_{2}$
Zn + 2KOH → $K_{2} Z n O_{2} + H_{2}$
Metals such as zinc, lead, and aluminium have a unique nature because they react with acids and also with hot alkalis to form hydrogen and soluble salt.

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Name two alkalies that can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have unique nature.

NaOH and KOHZn + 2NaOH → Na2ZnO2+H2 Zn + 2KOH → K2ZnO2+H2 Metals such as zinc, lead, and aluminium have a unique nature because they react with acids and also with hot alkalis to form hydrogen and soluble salt.

NaOH and KOH
Zn + 2NaOH → $N a_{2} Z n O_{2} + H_{2}$
Zn + 2KOH → $K_{2} Z n O_{2} + H_{2}$
Metals such as zinc, lead, and aluminium have a unique nature because they react with acids and also with hot alkalis to form hydrogen and soluble salt.