JAMB Chemistry 2016 Objective — Question 7
Question 7 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2016 Objective paper, with the correct answer and a full explanation.
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7. In the laboratory preparation of chlorine from concentrated hydrochloric acid in the presence of potassium tetraoxomanganate (VII) the gas produced is dried by passing it through A. concentrated tetraoxosulphate (VI) acid B. anhydrous calcium chloride C. calcium oxide D. sodium hydroxide
- A. concentrated tetraoxosulphate (VI) acidCorrect
- B. anhydrous calcium chloride
- C. calcium oxide
- D. sodium hydroxide
Explanation
The usual drying agent for chlorine is concentrated tetraoxosulphate (VI) acid.
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