JAMB Chemistry 2016 Objective — Question 26

Question 26 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2016 Objective paper, with the correct answer and a full explanation.

26. The compound produced when sodium is heated with excess sodium peroxide is A. Na2CO3 B. Na2O C. NaNO2 D. NaOH

A. Na2CO3
B. Na2OCorrect
C. NaNO2
D. NaOH

Explanation

Sodium oxide is produced when sodium peroxide (Na2O2) is heated with excess sodium metal: Na2O2 + 2Na → 2Na2O.

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