JAMB Chemistry 2008 Objective — Question 42

Question 42 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2008 Objective paper, with the correct answer and a full explanation.

If glucose is heated with concentrated tetraoxosulphate (VI) acid, it will be dehydrated to a carbon (IV) oxide C. ethene D. ethanol

A. carbon (IV) oxide
B. ethene
C. a black mass of carbonCorrect
D. ethanol

Explanation

If glucose is heated with concentrated sulphuric (VI) acid, it will be dehydrated to a black mass of carbon.

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