Which of the following statements is NOT true about polymorphism?

Which of the following statements is NOT true about polymorphism?
  1. $\mathrm{NaF}$ and $\mathrm{MgO}$ are polymorphous compounds.
  2. Fullerene is a polymorphic form of carbon.
  3. Polymorphism occurring in elements is called allotropy.
  4. Single substance that exists in two or more forms is said to be polymorphous.

Solution

$\mathrm{NaF}$ and $\mathrm{MgO}$ are not polymorphous compound.

Asked in: MHT CET 2022 (06 Aug Shift 1)

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