Question

A student added dil HCl to the test tube containing zinc granules. What will be colour of surface of zinc granules after the reaction?

Answer 1

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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 zincchloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydrogen.
In its elemental form, zinc has a silver-gray appearance.



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Answer 2

Explanation:

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 zincchloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydrogen.

In its elemental form, zinc has a silver-gray appearance.

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