Which hydroxide is formed when lithium reacts with water?

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Multiple Choice

Which hydroxide is formed when lithium reacts with water?

Explanation:
When lithium reacts with water, it forms lithium hydroxide and hydrogen gas. The metal donates electrons to water, creating OH− ions in solution and releasing H2. The balanced equation is 2 Li + 2 H2O → 2 LiOH + H2. So the hydroxide produced is lithium hydroxide. Other compounds like oxide, carbonate, or hydride aren’t formed in this reaction—they arise from reactions with oxygen, carbon dioxide, or hydrogen under different conditions.

When lithium reacts with water, it forms lithium hydroxide and hydrogen gas. The metal donates electrons to water, creating OH− ions in solution and releasing H2. The balanced equation is 2 Li + 2 H2O → 2 LiOH + H2. So the hydroxide produced is lithium hydroxide. Other compounds like oxide, carbonate, or hydride aren’t formed in this reaction—they arise from reactions with oxygen, carbon dioxide, or hydrogen under different conditions.

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