Electrochemistry Basics Quiz

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Questions and Answers

What is the process determined by acceptance or losing of electrons?

  • Reduction
  • Oxidation
  • Oxidation number
  • Oxidation-Reduction Reaction (correct)

What is the oxidation number of oxygen in most compounds?

  • $0$
  • $-2$ (correct)
  • $-1$
  • $+2$

What is the oxidation number of hydrogen when bonded to metals in binary compounds?

  • $+1$
  • $0$
  • $-1$ (correct)
  • $+2$

What is the oxidation number of free elements in their uncombined state?

<p>$0$ (A)</p> Signup and view all the answers

In monatomic ions, what is the oxidation number equal to?

<p>The charge on the ion (B)</p> Signup and view all the answers

What determines the Reduction-Oxidation (REDOX) process?

<p>Acceptance/losing of oxygen (D)</p> Signup and view all the answers

What is the oxidation number of hydrogen when bonded to metals in binary compounds?

<p>-1 (D)</p> Signup and view all the answers

What is the oxidation number of oxygen in most compounds?

<p>-2 (A)</p> Signup and view all the answers

Which statement about the oxidation number of free elements in their uncombined state is true?

<p>It is always zero (C)</p> Signup and view all the answers

In monatomic ions, what is the oxidation number equal to?

<p>The charge on the ion (C)</p> Signup and view all the answers

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