Curriculum
Course: EST 2 Chemistry
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EST 2 Chemistry

Structure of Matter

0/11 Dr Dabour Hub Science Diagram and Course Material

States of Matter

0/7 Dr Dabour Hub Science Diagram and Course Material

Reaction Types

0/9 Dr Dabour Hub Science Diagram and Course Material

Stoichiometry

0/7 Dr Dabour Hub Science Diagram and Course Material

Equilibrium and Reaction Rates

0/7 Dr Dabour Hub Science Diagram and Course Material

Thermochemistry

0/5 Dr Dabour Hub Science Diagram and Course Material

Descriptive Chemistry

0/7 Dr Dabour Hub Science Diagram and Course Material

Laboratory Skills

0/5 Dr Dabour Hub Science Diagram and Course Material
Quiz

EST II Chemistry – Redox and Electrochemistry – Quiz

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Redox and Electrochemistry EST Chemistry quiz: free practice for EST 2 Chemistry. Work through this Redox and Electrochemistry EST Chemistry quiz and get instant feedback on every answer. If you get stuck, review the 3.3 Redox & Electrochemistry — EST II Notes lesson. More practice: EST 2 Chemistry — all units. Syllabus: OpenStax free science textbooks.

  • Questions count: 10
  • Passing grade: B
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1.

Oxidation is

loss of electrons
gain of electrons
gain of protons
loss of neutrons
2.

The oxidation number of Cr in K₂Cr₂O₇ is

+3
+7
+2
+6
3.

In a galvanic (voltaic) cell, oxidation occurs at the

cathode
salt bridge
voltmeter
anode
4.

The salt bridge

maintains electrical neutrality by allowing ions to flow
carries electrons
is the cathode
stops the reaction
5.

In a galvanic cell, electrons flow

from cathode to anode
through the salt bridge
from anode to cathode through the wire
nowhere
6.

A positive E°cell indicates

a non-spontaneous reaction
equilibrium
a spontaneous reaction
no reaction
7.

For Zn | Zn²⁺ (−0.76 V) and Cu²⁺ | Cu (+0.34 V), E°cell is

1.10 V
0.42 V
−1.10 V
−0.42 V
8.

An electrolytic cell

produces electricity spontaneously
uses electrical energy to drive a non-spontaneous reaction
has no electrodes
needs no power source
9.

The reducing agent is the species that

is reduced
gains electrons
is oxidised
is unchanged
10.

In the electrolysis of molten NaCl, the product at the cathode is

sodium
chlorine
hydrogen
oxygen
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Part of Reaction Types — see every lesson and quiz in this unit.
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