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12th Class Chemistry The Solid State / ठोस प्रावस्था Question Bank 12th CBSE Chemistry The Solid State

  • question_answer
      What is mean by (i) 12 - 16 compounds and (ii) 13-15 compounds. Give examples.

    Answer:

      is ferrimagnetic at room temperature because in its crystals magnetic numbers ofFe (II) and Fe (III) ions are unequal in magnitude and aligned in antiparallel direction. But when heated at 850 K- the arrangement randomised and substance becomes paramagnetic.


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