Which action occurs at an electrode of a galvanic cell?
1.anion transfer
2. Electron transfer
3. Electron flow
4.anion flow
y'all it's electron transfer 💀
OXIDATION UNIT TEST
1. Which statement best explains why magnesium and chlorine combine in a 1:2 ratio?
A. Magnesium has two valence electrons, and chlorine can accept one electron in its outer shell
2. Hydrogen and nitrogen combine to form ammonia. When nitrogen and hydrogen bond, nitrogen pulls the electrons from hydrogen toward itself. Which statement about the reactants is correct?
C. Hydrogen is oxidized, and nitrogen is reduced.
3. C3H8 + 5O2 → 3CO2 + 4H2O + energy
Which type of reaction is shown?
C. combustion
4. Which phrase best defines a redox reaction?
D. a reaction in which electrons are transferred between different atoms
5. Which statement describes the process of oxidation?
D. Oxidation results in a loss of electrons, so the oxidation number increases.
6. Which chemical equation represents a redox reaction?
D. Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(l)
7. Which statement correctly describes the oxidation number of the manganese atom (Mn) in MnI2 and MnO2?
A. Manganese has an oxidation number of +2 in MnI2 and +4 in MnO2.
8. Br2(l) + 2NaI(aq) → I2(s) + 2NaBr(aq)
Which elements are oxidized and reduced in the reaction?
D. Iodine (I) is oxidized, and bromine (Br) is reduced.
9. Which action occurs at an electrode of a galvanic cell?
D. electron transfer
10. Which statement best compares a battery and a galvanic cell?
A. A battery’s source of power is a galvanic cell in which a redox reaction produces electrical energy.
11. Zn + 2H+ → Zn2+ + H2
2Al + 3Cu2+ → 2Al3+ + 3Cu
Which elements are oxidized?
A. zinc (Zn) and aluminum (Al)
12. 2Cr(s) + 3Cu2+(aq) → 2Cr3+(aq) + 3Cu(s)
Which half reaction occurs at the cathode?
B. 3Cu2+(aq) + 6e– → 3Cu(s)
13. Written
14. Written
15. Written
I hope this helps!
I'm here to redeem myself I believe it is Electron Transfer
I don't think I've seen a problem like this before and I'm not sure of the answer. As I see it here is my analysis of the answer. Draw a cell with two electrodes and a barrier between. The electrolyte conducts WITHIN the cell.
Then connect a wire from one electrode to the other.
1. anion transfer
2. Electron transfer
3. Electron flow
4.anion flow
1. Anion transfer occurs in the electrolyte at the barrier so that isn't at an electrode.
2. Electron transfer occurs at each electrode, giving them away at the anode and adding them at the cathode. So I would choose this one.
3. Electron flow occurs in the wire running between the electrodes outside the cell so this is not at an electrode.
4. Anion flow occurs withing the electrolyte within the cell and this not at an electrode.
So I think 2 must be the right choice.
it’s electron transfer
OKAY WAITTT I GOT IT NOW ITS ELECTRON FLOW
Which ISSSS ITTTTTT
The correct answer is 2. Electron transfer.
To understand why, let's start by explaining what a galvanic cell is. A galvanic cell, also known as a voltaic cell, is an electrochemical cell that converts chemical energy into electrical energy through a redox (reduction-oxidation) reaction.
A galvanic cell consists of two half-cells that are connected by a conductive pathway. Each half-cell contains an electrode immersed in an electrolyte solution. One electrode is the anode, where oxidation occurs, and the other electrode is the cathode, where reduction occurs.
During the redox reaction in the galvanic cell, electrons are transferred from the anode to the cathode. At the anode, the oxidation reaction leads to the loss of electrons, while at the cathode, the reduction reaction involves the gain of electrons. This flow of electrons from the anode to the cathode is what creates the electrical current in the cell.
So, the action that occurs specifically at an electrode of a galvanic cell is the transfer of electrons (Answer 2). Electrons flow from the anode to the cathode, generating an electric current in the process.
A. Electron
I think it is
I'm from connexus