5 Questions
Which of the following is true about oxidation and reduction?
Oxidation involves a increase in the oxidation number.
In the reaction CuO (s) + H2 (g) → Cu(s) + H2O(l), which element is oxidized?
O
What is the oxidizing agent in the reaction Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s)?
Copper (Cu)
What is the reducing agent in the reaction Na(s) + 2HCl(aq) → 2NaCl(aq) + H2(g)?
Sodium (Na)
If you have 117 g of NaCl dissolved in 300 ml of solution, what is the concentration of NaCl in the solution?
3.90 M
Test your knowledge of oxidation and reduction with this quiz! Learn about oxidation numbers, electron transfer, and the role of oxygen and hydrogen. Calculate oxidation numbers and identify the oxidizing and reducing agents in chemical reactions. Challenge yourself with examples like CuO + H2 → Cu + H2O and Na + 2HCl → 2NaCl + H
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