copper does not with hcl . then how 'cu +2hcl=cucl2+h2 . Explain

Dear Student,

The reaction Cu + 2HCl = CuCl2 + H2
is the reaction of copper with hydrogen chloride, which is a gas.

HCl i.e. hydrochloric acid, is actually, the HCl gas dissolved in water & the maximum concentration it can have, is 34%.
So, conc. HCl is actually not too strong, like gaseous HCl.

Cu reacts with hydrogen chloride, not hydrochloric acid.

Hope this information will clear your doubts about topic.
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Copper is less reactive than hydrogen .
Still it reacts with hydrochloric acid to form copper chloride and hydrogen .
This is because of the strength of hydrochloric acid.
Hydrochloric acid is a strong acid.

 
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Can you brief it... Plz...
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