Electrochemistry formative quiz

Electrochemistry formative quiz

12th Grade

6 Qs

quiz-placeholder

Similar activities

Dimensional Analysis

Dimensional Analysis

9th - 12th Grade

10 Qs

OXIDES OF CARBON

OXIDES OF CARBON

10th - 12th Grade

11 Qs

P BLOCK ELEMENTS

P BLOCK ELEMENTS

12th Grade

10 Qs

Mole Concept - Avogadro's number

Mole Concept - Avogadro's number

12th Grade

10 Qs

SEL ELEKTROLISIS

SEL ELEKTROLISIS

12th Grade

10 Qs

Prework

Prework

9th - 12th Grade

10 Qs

JustAGGThings2

JustAGGThings2

1st - 12th Grade

10 Qs

TUGAS ELEKTROLISIS

TUGAS ELEKTROLISIS

12th Grade

10 Qs

Electrochemistry formative quiz

Electrochemistry formative quiz

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Christine Faltaous

FREE Resource

AI

Enhance your content

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the oxidation state of C in methane?

+4

-4

+1

-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which compound is the reducing agent in

Mg(s) + 2HCl(aq) H2 (g) + MgCl2 (aq) ?

Mg (s)

2 HCl

H2

MgCl2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In which compound does nitrogen have an oxidation state of +3?

NO

N2O

NO2-

NO3-

4.

DRAW QUESTION

10 mins • 3 pts

Represent a voltaic cell that shows a reaction between magnesium and nickel electrodes.

Indicate the following elements in your diagram:
1) which electrode is the anode and which is the cathode as well as their respective charges (symbols);
2) in which direction electrons flow and
3) in which directions ions flow in solution as well as in the salt bridge.

Use a potassium chloride salt bridge in your voltaic cell. Ignore colours of ions in solution (graph was borrowed from another question).

Media Image

Answer explanation

Media Image

See image below of complete circuit.

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Explain what changes in an electrolytic cell compared to a voltaic cell? Select all that apply.

The cell requires a battery for the electrons to flow in the circuit.

The charge of the anode is negative and the charge of the cathode is positive.

The charge of the anode is positive and the charge of the cathode is negative.

The electrons flow from the cathode to the anode.

The cell potential can be measured using a voltmeter.

6.

DRAW QUESTION

10 mins • 3 pts

Balance the following equation in an acidic medium.

Media Image

Answer explanation

Media Image

See steps below to correct your work! Final answer should be:
Cr2O72- (aq) + 14H+(aq) + 6I- (aq) → 3I2 (s) +  2Cr3+ (aq) + 7 H2O (l)