In which of the following ,the two species have different value of spin magnetic moment ?

In which of the following set of species have same magnetic nature and some magnetc moment ?

Which of the following system has maximum value of mu (only spin magnetic moment) ?

Transition elements show magnetic moment due to spin and orbital motion of electrons which of the following metallic ions have almost same spin only magnetic moment?

Transition elements show magnetic moment due to spin and orbital motion of electrons. Which of the following metallic ions have almost same spin only magnetic moment?

Transition elements show magnetic moment due to spin and orbital motion of electrons. Which of the following metallic ions have almost same spin only magnetic moment -

Transition elements show magnetic moment due to spin and orbital motion of electrons. Which of the following metallic ions have almost same spin only magnetic moment?