Question

write word equation for the reaction of sodium and potassium with water

Answer 1

Answer:

Na,K,Ca react vigorously with water to liberate hydrogen gas forming corresponding hydroxides.

2Na(s)+2H2O(l)⟶2NaOH(ag)+H2(ag)↑

2K(s)+2H2O(l)⟶2KOH(ag)+H2(g)↑

Ca+2H2O(l)⟶Ca(OH)2(ag)+H2(g)↑

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Answer 2

General Reaction:-

Metal + Water $\longrightarrow$ Metal oxide + H₂

⚫ Reaction of a metal with water is highly exothermic and it results in the formation of metal oxide and evolution of hydrogen gas.

⚫ the metals which are highly reactive forms hydroxide salts as their product.

Required Answer:-

⚫ Sodium + Water $\longrightarrow$ Sodium hydroxide + Hydrogen gas

⚫ Potassium + Water $\longrightarrow$ Potassium Hydroxide + Hydrogen gas

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