Which two equipments would you choose to prepare and collect sulphur dioxide gas in the laboratory?

(1) I and IV
(2) I and III
(3) II and IV&
(4) II and III

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Correct answer: (1) I and IV

Explanation: To prepare sulphur dioxide, hot and conc.sulphuric acid reacts with copper as is shown in setup I, and a tube is required for SO₂ to flow into the collector as in setup IV.

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Updated on: 10-Oct-2022

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