Which of the following tests will completely identify anyone of surphur (VI) oxide, hydrogen, carbon (IV) oxide and nitrogen (II) oxide?
Question 1 Report
Which of the following tests will completely identify anyone of surphur (VI) oxide, hydrogen, carbon (IV) oxide and nitrogen (II) oxide?
Answer Details
The test that can completely identify any of sulfur (VI) oxide, hydrogen, carbon (IV) oxide, and nitrogen (II) oxide is passing each gas into lime water. This is because the reaction of lime water with each gas is specific and characteristic. When sulfur (VI) oxide reacts with lime water, it forms sulfuric acid which turns lime water milky. When hydrogen reacts with lime water, it forms calcium hydroxide and water, which does not produce any noticeable change in the lime water. When carbon (IV) oxide reacts with lime water, it forms calcium carbonate which turns lime water cloudy. When nitrogen (II) oxide reacts with lime water, it forms calcium nitrite which turns lime water brown.
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