a
is a transition element
b
is at the bottom of the activity series
c
is very reactive
d
has completely filled 3d-orbitals
Explanation
Correct Option
bNo explanation available
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Discussions (6)

adeleke5140
9 years ago
Decreasing order of reactivity
K
Na
Ca
Mg
Al
Mn
Zn
Cr
Fe
Cd
Co
Ni
Sn
Pb
H
Sb
Bi
As
Cu
Hg
Ag
Pt
Au

Adeolaitan95@gmail.com
11 years ago
Being a transition element of Cu doesn't account 4 being displace in a rxn.It is bcos of it position in d activity series I.e in a lower position.Iron 2 is a transition metal metals wich is found in the upper part of activity series.

aikhoje precious
9 years ago
The selected answer is wrong:
pls the ans is B because it is at the bottom of the activity series. copper being a transition element does not have anything to do with its displacement



