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The element with highest boiling point in the following is :

1. oxygen
2. Sulphur
3. Tellurium
4. Polonium

Correct answer: Tellurium

Solution

Boiling points in Group 16 generally increase down the group because larger atoms have more electrons and stronger dispersion forces. Among the given elements, tellurium has the highest boiling point, slightly above polonium in the standard data used for this question.

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