Question

1- Which of the following statements is FALSE? a) Oxidation and reduction half-reactions occur at electrodes in electrochemical cells. b) All electrochemical reactions involve the transfer of electrons. c) All electrochemical reactions involve the transfer of electrons. d) Oxidation occurs at the anode. e) All voltaic (galvanic) cells involve the use of electricity to initiate nonspontaneous chemical reactions. 2- Complete the sentence below: The purpose of the salt bridge in an electrochemical cell is to __________. a) maintain electrical neutrality in the half-cells via migration of ions. b) provide a source of ions to react at the anode and cathode. c) provide oxygen to facilitate oxidation at the anode. d) provide a means for electrons to travel from the anode to the cathode. e) provide a means for electrons to travel from the cathode to the anode.

          1- Which of the following statements is
FALSE?
a) Oxidation and reduction half-reactions occur at electrodes in
electrochemical cells.
b) All electrochemical reactions involve the transfer of
electrons.
c) All electrochemical reactions involve the transfer of
electrons.
d) Oxidation occurs at the anode.
e) All voltaic (galvanic) cells involve the use of electricity
to initiate nonspontaneous chemical reactions.
2- Complete the sentence below:
The purpose of the salt bridge in an electrochemical
cell is to __________.
a) maintain electrical neutrality in the half-cells via
migration of ions.
b) provide a source of ions to react at the anode and
cathode.
c) provide oxygen to facilitate oxidation at the anode.
d) provide a means for electrons to travel from the anode to the
cathode.
e) provide a means for electrons to travel from the cathode to
the anode.

Show more…

Added by Ramon R.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

08/31/2022

Step 1

** Show more…

Show all steps

lock

Thanks for your feedback!

1- Which of the following statements is FALSE? a) Oxidation and reduction half-reactions occur at electrodes in electrochemical cells. b) All electrochemical reactions involve the transfer of electrons. c) All electrochemical reactions involve the transfer of electrons. d) Oxidation occurs at the anode. e) All voltaic (galvanic) cells involve the use of electricity to initiate nonspontaneous chemical reactions. 2- Complete the sentence below: The purpose of the salt bridge in an electrochemical cell is to __________. a) maintain electrical neutrality in the half-cells via migration of ions. b) provide a source of ions to react at the anode and cathode. c) provide oxygen to facilitate oxidation at the anode. d) provide a means for electrons to travel from the anode to the cathode. e) provide a means for electrons to travel from the cathode to the anode.

Play audio

Feedback

Powered by NumerAI

David Collins and 59 other subject Chemistry 101 educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Recommended Videos

Recommended Textbooks

Transcript

00:01 This first question just wants to know which of the following statements is false.

00:05 The first statement says oxidation and reduction half reactions occur at electrodes and electrochemical cells.

00:14 That's true.

00:16 One occurs at one electrode.

00:18 The other occurs at the other.

00:20 We must have one oxidation and one reduction at two separate electrodes in an electrochemical cell.

00:28 B says all electrochemical reactions involve the transfer of electrons.

00:35 That's true.

00:36 All electrochemical reactions are oxidation reduction reactions.

00:40 And all oxidation reduction reactions involve the transfer of electrons.

00:46 C says all electrochemical reactions.

00:49 Oh, i skipped b.

00:52 All electrochemical reactions involve the transfer of electrons.

00:56 All electrochemical reactions involve the transfer of electrons.

00:57 All electrochemical reactions involve the transfer of electrons.

01:02 It looks like b and c are the same.

01:05 They're both true.

01:07 D, they both say, involve the transfer of electrons.

01:12 D says oxidation occurs at the anode.

01:22 It is also true.

01:24 Oxidation always occurs at the anode.

01:26 Reduction always occurs at the cathode.

01:32 And then e, all -voltaic or galvanic cells involve the use of electrical.

01:37 To initiate non -spontaneous chemical reactions...

Ace is your personal tutor. It breaks down any question with clear steps so you can learn.

Start Using Ace

Continue solving this problem

Create a free account to:

View full step-by-step solution
Ask follow-up questions with Ace AI
Save progress and study later