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Carbon and hydrogen are detected by heating the compound with ____________ during quantitative analysis.

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in Chemistry – Class 11 by (148k points)
Carbon and hydrogen are detected by heating the compound with ____________ during quantitative analysis.

(a) carbon dioxide

(b) copper (II) oxide

(c) magnesium oxide

(d) sulphur dioxide

I have been asked this question in homework.

Query is from Organic Chemistry topic in section Organic Chemistry – Basic Principles and Technique of Chemistry – Class 11

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The correct answer is (b) copper (II) oxide

To explain: During quantitative analysis, a known quantity of the organic compound is burned in the presence of excess of oxygen and copper (II) oxide. The carbon present in the compound is oxidized to carbon dioxide and the hydrogen is transformed to water.

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