Galvanic Cells

In a Galvanic Cell, the anode is...

• positive

• negative

In a Galvanic Cell, the cathode is...

• positive

• negative

Oxidation occurs at the...

• anode

• cathode

In a Galvanic cell, the electrons flow from the...

• anode to the cathode

• cathode to the anode

Tags

NGSS.HS-PS2-5

E_cell =

• E_red - E_ox

• E_red + E_ox

• E_ox - E_red

• E_ox + E_red

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-5

In the above Galvanic Cell, which half cell is undergoing reduction?

• Cu | Cu²⁺

• Zn | Zn²⁺

Tags

NGSS.HS-PS1-2

In any Galvanic Cell, which half cell will undergo reduction?

• The half cell with the lower standard electrode potential

• The half cell with the higher standard electrode potential

A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg

Which is the half-reaction occurring at the anode?

• HgO + 2 e- → Hg + O^2-

• Zn²⁺ + 2 e- → Zn

• Zn → Zn²⁺ + 2 e-

• ZnO + 2 e- → Zn

A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg

Which is the half-reaction occurring at the cathode?

• HgO + 2 e- → Hg + O^2-

• Hg → Hg²⁺ + 2 e-

• Zn → Zn²⁺ + 2 e-

• ZnO + 2 e- → Zn

In a redox reaction, the oxidising agent... (choose two options)

• is oxidised

• is reduced

• increases its oxidation number

• decreases its oxidation number