The d- and f- B...

Which of the following ions has a magnetic moment of 5.93 BM?

Spin only magnetic moment value of $${ Cr }^{ 3+ }$$ ion is:

Select the coloured and paramagnetic ions.

The type of magnetism exhibited by $$[Mn(H_2O)_6]^{2+}$$ ion is:

The spin only magnetic moment of $$Fe^{3+}$$ ion (in BM) is approximately:

Magnetic moment of $$[Cu(NH_3)_4]^{2+}$$ ion is?

Ammonia will not form complex with:

There are $$14$$ elements in actinoid series. Which of the following elements does not belong to this series?

Metallic radii of some transition elements are given below. Which of these elements will have the highest density?
Element                    $$Fe$$     $$CO$$       $$Ni$$     $$Cu$$ 
Metallic radii/pm     126     125     125    128

Which of the following arrangement does not represent the correct order of property stated against it ?