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Questions and Answers
Which type of reaction involves the transfer of electrons from one atom to another?
Which type of reaction involves the transfer of electrons from one atom to another?
- D) Evaporation
- A) Redox reaction (correct)
- B) Nuclear reaction
- C) Melting
Which term is defined as the loss of electrons from atoms of a substance?
Which term is defined as the loss of electrons from atoms of a substance?
- D) Polarization
- B) Ionization
- C) Oxidation (correct)
- A) Reduction
Which term is defined as the gain of electrons by the atoms of a substance?
Which term is defined as the gain of electrons by the atoms of a substance?
- C) Reduction (correct)
- B) Oxidation
- D) Polarization
- A) Ionization
Which substance is considered the oxidizing agent in a redox reaction?
Which substance is considered the oxidizing agent in a redox reaction?
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In the reaction 2Al + 2Fe3+ + 3O2– → 2Fe + 2Al3+ + 3O2–, which atom is oxidized?
In the reaction 2Al + 2Fe3+ + 3O2– → 2Fe + 2Al3+ + 3O2–, which atom is oxidized?
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Which element in a redox reaction is more electronegative and acts as the oxidizing agent?
Which element in a redox reaction is more electronegative and acts as the oxidizing agent?
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What is the oxidation number of sulfur (S) in a sulfite ion (SO32–)?
What is the oxidation number of sulfur (S) in a sulfite ion (SO32–)?
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Which of the following is the definition of oxidation?
Which of the following is the definition of oxidation?
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What is the net ionic equation for the reaction 2KI(aq) + Pb(NO₃)₂ (aq) → PbI₂ (s) + 2KNO₃ (aq)?
What is the net ionic equation for the reaction 2KI(aq) + Pb(NO₃)₂ (aq) → PbI₂ (s) + 2KNO₃ (aq)?
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What are oxidation numbers used for in a redox reaction?
What are oxidation numbers used for in a redox reaction?
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