Question

What metal when reacted with dilute hydrochloric acid, gives a pale green solution?

Answer 1

${\red{\mathfrak{\huge{COPPER}}}}$

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Answer 2

▶The metal which gives a pale green solution when it is reacted with hydrochloric acid is Iron(Fe). The formula is-

Iron + hydrochloric acid  →  Iron chloride + dihydrogen gas

Fe(s)+2HCl(aq)→FeCl2(aq)+H2(g)↑