NEET | 2018d and f-Block ElementsHard

Question

Which one of the following ions exhibits d–d transition and paramagnetism as well ?

Options

A.

CrO42-

B.

CrO72-

C.

MnO4-

D.

MnO42-

Solution

CrO42-          Cr+6 diamagnetic
Cr2O72-       Cr+6 diamagnetic
MnO4-           Mn+7 diamagnetic
MnO42-        Mn+6 paramagnetic    
unpaired electron is present so d–d transition is possible.

Create a free account to view solution

View Solution Free
Topic: d and f-Block Elements·Practice all d and f-Block Elements questions

More d and f-Block Elements Questions

Which one is paramagnetic :-...Which of the following is correct according indicated property :-...The colour of light absorbed by an aqueous solution of CuSO4 is...When copper is heated with conc. HNO3 it produces:...The catalytic activity of transition metals and their compounds is ascribed mainly to...