Question

Concept: Reaction of Acids with Metals ​

Answer 1

Answer:

Concept: Reaction of Acids with Metals

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Explanation:

When an acid reacts with metal, a salt and hydrogen are produced: acid + metal → salt + hydrogen An example: nitric acid + calcium → calcium nitrate + hydrogen The salt that is produced depends upon which acid and which metal react

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Answer 2

Answer: Acids react with most metals to form hydrogen gas and a salt.  Nevertheless, not all metals react in the same way to acids, and some metals are more resistant than others to corrosion. When an acid reacts with metal salt and hydrogen gas are produced. Metals which are more active than acids may experience a single displacement reaction.

Example

Zinc powder reacts with hydrochloric acid that releasesH2 gas and zinc chloride.

Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)

 

The salt that is produced depends upon acid and metal reacting.

Metals react with dilute hydrochloric acid to form the corresponding chloride salt and hydrogen which is evolved as bubbles. The rate of formation of bubbles was the fastest in case of magnesium.

The reaction was also the exothermic reaction and the reactivity decreases in the order

Mg > Al> Zn > Fe.

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