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