Transition and InnerTransition Elements - Result Question 16

####17. Which of the following compounds is metallic and ferromagnetic?

(2016 Main)

(a) CrO2

(b) VO2

(c) MnO2

(d) TiO2

Show Answer

Solution:

  1. Only three elements iron (Fe), cobalt (Co) and nickel (Ni) show ferromagnetism at room temperature. CrO2 is also a metallic and ferromagnetic compound which is used to make magnetic tapes for cassette recorders.
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