Which of the following metals react with steam but not with cold water, to give hydrogen gas?
A) calcium
B) copper
C) iron
D) potassium
Why is the answer Iron and not copper? I thought that copper is very below all the above metals in the Reactivity Series...
Answers
Answered by
1
Answer:
c) iron
why iron :- bcz iron only reacts with steam while copper is in below of reactivity series so it is not that much reactive.
Answered by
1
Answer:
iron
Explanation:
K
Na
Ba
Ca
Mg
Al
Zn
Fe
Ni
Sn
Pd
H
Cu
Hg
Ah
Au
Pt
you can see that iron is more reactive than hydrogen but copper is less reactive than hydrogen. so iron will displace hydrogen but copper cannot.
Fe + H2O(g)---->reaction take place
CU + H2O( g)--->no reaction
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