Advertisements
Advertisements
प्रश्न
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid whereas copper does not. Explain why?
थोडक्यात उत्तर
Advertisements
उत्तर
Zinc (Zn) is placed above hydrogen in the activity series. It therefore, displaces hydrogen from dilute HCl.
`"Zn"("s") + 2"HCl"("aq") -> "ZnCl"_2("aq") + "H"_2("g")`
Copper is placed below hydrogen and therefore, does not react with dilute HCl.
Cu (s) + HCl (aq) → No action.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
