MCQ
Transition metals are often paramagnetic owing to
  • A
    Their high M.P. and B.P.
  • B
    The presence of vacant orbitals
  • The presence of one or more unpaired electrons in the system
  • D
    Their being less electropositive than the elements of groups $ I-A $ and $ II-A$ 

Answer

Correct option: C.
The presence of one or more unpaired electrons in the system
c
(c)The presence of one or more unpaired electrons in the system.

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