C) zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. explain why?
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As according to our reactivity series:
K
Na
Ca
Mg
Al
Zn
Fe
Pb
H
Cu
Hg
Ag
Au
Pt...
:All the metals above hydrogen are more reactive than H2, so they can displace hydrogen from acid...
ND all the metals below H2 are less reactive than hydrogen, so they r not able to displace H2 from acid....
ND as Zinc(Zn) is more reactive than H2,It displaces hydrogen from HCl... ND as copper is less reactive than H2,so it is not able to do so...
#The simple answer is Zinc is more reactive and Copper is less reactive than H2...
K
Na
Ca
Mg
Al
Zn
Fe
Pb
H
Cu
Hg
Ag
Au
Pt...
:All the metals above hydrogen are more reactive than H2, so they can displace hydrogen from acid...
ND all the metals below H2 are less reactive than hydrogen, so they r not able to displace H2 from acid....
ND as Zinc(Zn) is more reactive than H2,It displaces hydrogen from HCl... ND as copper is less reactive than H2,so it is not able to do so...
#The simple answer is Zinc is more reactive and Copper is less reactive than H2...
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