Question

.MnO2 and Mn2O3 are two compounds of Manganese Atomic number of

Mn is25

a) Write down the subshell electronic configuration of Mn

b) Find out the oxidation state of Mn in both MnO2 and Mn2O3

c) Write down the subshell configuration of Mn+2​

Answer 1

Answer:

Mn is a transition element(comes in d-block)

Explanation:

In MnO2,

x-4=0

x=+4

In Mn2O3,

2x-6=0

x=+3

Mn normal configuration

[Ar]4s23d5

In Mn4+state

E.C.=3d3

In Mn3+state

E.C.=3d4

In Mn2+state

E.C.=3d5

Answer 2

Answer:

a .answer.1s²2s²2p^63s²3p³

c.answer.1s²2s²2p^63s²3p^5