Question

How do boron and aluminium react with
sodium hydroxide ? Write the chemical
equations of the reactions.​

Answer 1

Answer:

Explanation:

Sodium aluminate is also formed by the action of sodium hydroxide on elemental aluminium which is an amphoteric metal. The reaction is highly exothermic once established and is accompanied by the rapid evolution of hydrogen gas. The reaction is sometimes written as: 2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H.

Boron reacts with fused sodium hydroxide to form sodium borate and hydrogen. ... It can also dissolve in alkalies and evolve hydrogen. So, as it seems, boron reacts not with sodium hydroxide solutions, but with the pure, molten compound.

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