Which of the following statements is true regarding the metal iodides formed during the van Arkel method?
They have higher melting points than the metal.
They have lower melting points than the metal.
They have the same melting points as the metal.
Their melting points cannot be determined.
The metal iodides formed during the van Arkel method typically have lower melting points than the pure metal.
Hence option 2 is correct.