Multiple choice

Which of the following fluorides are ionic in nature?

  1. CF4 and SiF4

  2. SiF4 and SnF4

  3. PbF4 and GeF4

  4. SnF4 and PbF4

  5. SiF4 and GeF4<!--?xml:namespace prefix = o /--><o:p></o:p>
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D Correct answer
Explanation

Most of the MX4 type halides of group 14 elements are covalent in nature. Exceptions are SnF4 and PbF4, which are ionic in nature.

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