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Вопрос 74

A typical group 1 metal is placed in water. Which product descriptions are correct? Select all that apply.

  1. Carbon dioxide is released.
  2. Hydrogen gas is produced.Правильный ответ
  3. Only a metal oxide remains.
  4. A metal hydroxide is formed.Правильный ответ

Объяснение

The characteristic products are hydrogen gas and a dissolved metal hydroxide, so both must be selected. Oxygen gas is not the displaced gas in this reaction, and naming only a metal oxide misses the hydroxide formed in water.

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Вопрос 74: A typical group 1 metal is placed in water. Which product… · The Periodic Table and Elements · Questena