Question

what happened when
1)zinc react with hydrogen
2) aluminum react with hydrogen ​

Answer 1

___________ANSWER____________

1)The reaction between zinc and hydrochloric acid is Zn + HCl = H2 + ZnCl2. It is a single replacement reaction where zinc metal displaces the hydrogen to form hydrogen gas and zinc chloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydrogen.

2)Aluminum does not react with hydrogen directly — the metal forms compounds, through the loss of electrons, which are received by other elements. ... The direct synthesis of aluminum hydride from hydrogen and aluminum requires enormous pressure of around 2 billion atmospheres and a temperature of over 800 K.

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