Electrochemistry Review

Electrochemistry Review

11th - 12th Grade

20 Qs

quiz-placeholder

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Electrochemistry Review

Electrochemistry Review

Assessment

Quiz

Chemistry

11th - 12th Grade

Hard

NGSS
HS-PS1-1, HS-PS3-1, HS-PS1-4

+7

Standards-aligned

Created by

Jeremiah Walsh

Used 29+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Given the following cell:

Zn | Zn2+ || Sn2+ | Sn

in order to increase the voltage, one could

increase [Zn2+].

increase [Sn2+].

use more Zn.

use more Sn.

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which one of the following reactions will not occur spontaneously?

Mg(s) + 2Ag+(aq) ⟶ Mg2+(aq) + 2Ag(s)

Hg2+(aq) + Zn(s) ⟶ Hg(l) + Zn2+(aq)

Cu2+(aq) + Zn(s) ⟶ Cu(s)+ Zn2+(aq)

2Ag(s) + Ni2+(aq) ⟶ 2Ag+(aq) + Ni(s)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the oxidation number of manganese is MnO4-

+2

+4

+7

+8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When solid iron is oxidized to Fe2+(aq) by CuNO3 at 25°C, the standard cell potential is 0.927 V. What is ΔG°?

-89 kJ

-179 kJ

+179 kJ

+89 kJ

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Mg(s) + 2H+(aq) ⟶ Mg2+(aq) + H2(g)

The standard potential for the reaction above is 2.357 V.

What is true of the cell potential when [H+] = 2.0 M, [Mg2+] = 0.0050 M, and PH2 = 0.40 atm?

E < 2.357 V

E = 2.357 V

E > 2.357 V

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The standard reduction potential for

Mg2+(aq) + 2e- ⟶ Mg(s)

is -2.37V. What is the reduction potential for

2Mg2+(aq) + 4e- ⟶ 2Mg(s)?

-4.74 V

-2.37 V

+2.37 V

+4.74 V

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the voltage of the electrochemical cell when the reaction below reaches equilibrium?

Mg(s) + 2Fe3+(aq) ⟶ Mg2+(aq) + 2Fe2+(aq)

+3.14 V

+1.60 V

+0.83 V

0.00 V

Tags

NGSS.HS-PS3-1

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