Multiple choice

Which of the following compounds is used as an acousto-optic material?

  1. Tellurium dioxide

  2. Tellurium hexafluoride

  3. Tellurium trioxide

  4. Telluroxide

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A Correct answer
Explanation

Tellurium dioxide is highly insoluble in water and soluble in concentrated sulphuric acid. It is also incompatible with strong acids and strong oxidizing agents. It is an amphoteric. It is used as an acousto-optic material.