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Quiz 2
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Q.1
What is reduction?
It is the gain of electrons.
It is the loss of electrons.
It is the creation of electrons.
It is the destruction of electrons.
Q.2
True or False, is a negative sign of delta G a favorable answer that indicates spontaneity?
TRUE
FALSE
Q.3
Is it possible for a cell potential to have NEGATIVE sign?
NO
YES
Q.4
How many electrons is needed to transform Feion to solid state?
1
2
3
4
Q.5
In a galvanic cell, it is an electrode where the oxidation happens?
Cathode Electrode
Anode Electrode
Q.6
A chemical species in an electrochemical reaction that GAINS electrons undergoes _________.
Oxidation Reaction
Reduction Reaction
Q.7
A chemical species in an electrochemical reaction that LOSSES electrons undergoes _________.
Oxidation Reaction
Reduction Reaction
Q.8
Electronic conduction is due to flow of
Protons
Electrons
Neutrons
Ions
Q.9
Electrochemistry deals with
electric energy
chemical energy
only a
both a & b
Q.10
The oxidation number of chlorine in HClO4
+5
+6
+7
+8
Q.11
The aqueous solutions of sodium formate, anilinium chloride and potassium cyanide are respectively
acidic, acidic, basic
basic, acidic, basic
basic, neutral, basic
none
Q.12
Which of these is not likely to act as lewis base?
BF3
PF3
CO
F–
Q.13
When aqueous ammonia is added to CuSO4 solution, the solution turns deep blue
NH3 replaces H2O
H2O replaces NH3
NH3 remains
H2O remains
Q.14
Effect of acid and bases on non aqueous solvent was not explained by
lewis concept
lowery bronsted theory
arrhenius theory
none of the above
Q.15
Lewis base among the following
NH3
H2O
CN
all the above
Q.16
BFacts as an acid according to
arrhenius theory
lowery bronsted
lewis
all the above
Q.17
According to Bronsted-Lowry concept, base is a substance which is
proton acceptor
electron pair acceptor
proton donor
electron pair donor
Q.18
In coordination compounds , the ligands act as
lewis acid
lewis base
arrhenius acid
arrhenius base
Q.19
According to Bronsted law, water is a/an
acid
base
both acid and base
none of the above
Q.20
Which energy conversion shown below takes place in an electrochemical cell?
Electrical to chemical
Mechanical to chemical
Mechanical to electrical
Chemical to electrical
0 h : 0 m : 1 s
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