Question

Dilute HCl acid reacts with magnesium liberating hydrogen,

but the same is not liberated when the acid is reacted with

copper. why​

Answer 1

• ᵐᵃᵍⁿᵉˢⁱᵘᵐ ᵃⁿᵈ ⁱʳᵒⁿ ʳᵉᵃᶜᵗ ʷⁱᵗʰ ʰᶜˡ ˡⁱᵇᵉʳᵃᵗⁱⁿᵍ ʰʸᵈʳᵒᵍᵉⁿ ᵃⁿᵈ ᶠᵒʳᵐⁱⁿᵍ ᵗʰᵉⁱʳ ʳᵉˢᵖᵉᶜᵗⁱᵛᵉ ˢᵃˡᵗˢ. ʰʸᵈʳᵒᵍᵉⁿ ᶜᵃⁿⁿᵒᵗ ᵇᵉ ᵖʳᵉᵖᵃʳᵉᵈ ᶠʳᵒᵐ ᵐᵉᵗᵃˡˢ ʷʰⁱᶜʰ ᵃʳᵉ ᵇᵉˡᵒʷ ⁱᵗ ⁱⁿ ᵗʰᵉ ᵃᶜᵗⁱᵛⁱᵗʸ ˢᵉʳⁱᵉˢ ᵒᶠ ᵐᵉᵗᵃˡˢ (ˢᵘᶜʰ ᵃˢ ᶜᵒᵖᵖᵉʳ) ᵇᵉᶜᵃᵘˢᵉ ᵒⁿˡʸ ᵐᵉᵗᵃˡˢ ʷʰⁱᶜʰ ᵃʳᵉ ᵐᵒʳᵉ ʳᵉᵃᶜᵗⁱᵛᵉ ᵗʰᵃⁿ ʰʸᵈʳᵒᵍᵉⁿ ᶜᵃⁿ ᵈⁱˢᵖˡᵃᶜᵉ ⁱᵗ ᶠʳᵒᵐ ᵃᶜⁱᵈˢ.

Answer 2

Answer:

mg+ HCl = MgCl2 +H2

when we observe reactivity series.. then we can observe that.. Magnesium is more reactive then hydrogen and hence it can displace hydrogen from its compound.. but Copper is less reactive then hydrogen and it is unable to displace hydrogen....

Explanation:

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