A student was given Mn,Zn,Fe andCu metals.Identify which of them
(a)willnotdisplaceH2fromdil.HCl.
(b)willreactonlywithsteamtogiveH2(g).
(c)willgiveH2with5%HNO3.
Writethechemicalreactionsinvolved.
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- CU DOESNT DIPLACES H2
- FE REACTS ONLY WITH STEAM
- Mn ALONE GIVES H2 WITH HNO3
@)Cu + HCl-----》NoReaction
ß) 3Fe + 4H20 ------》Fe3O4 +4H2
č)Mn + 2HNO3 ------》Mn(NO3)2 + H2
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