question_answer1)
What is a Daniell cell?
question_answer2)
What is galvanic or voltaic cell?
question_answer3)
What is a half cell (electrode)?
question_answer4)
Define electrode potential.
question_answer5)
What is standard electrode potential?
question_answer6)
What are cathode and anode? Give their
symbol.
question_answer7)
Define cell potential.
question_answer8)
What is emf of a cell?
question_answer9)
What do you mean by standard hydrogen electrode
(S.H.E)?
question_answer10)
What is the potential of S.H.E?
question_answer11)
What is electrochemical series?
question_answer12)
What is the relation between free
energy change and emf of a cell?
question_answer14)
How does oxidation state of manganese
change in the Leclanche cell?
question_answer15)
What is electrical resistance? What is
its unit?
question_answer16)
What is resistivity (specific
resistance)?
question_answer17)
What is conductance? What is its unit?
question_answer18)
What is conductivity (specific
conductance)?
question_answer19)
What are super conductors?
question_answer20)
What is conductivity cell?
question_answer21)
Define cell constant. What is its unit?
question_answer22)
Define limiting molar conductivity.
question_answer23)
What is degree of dissociation?
question_answer24)
How is resistance related to cell
constant and conductivity?
question_answer25)
Write an equation relating 
with concentration (C) for strong
electrolytes.
question_answer26)
How is molar conductivity related to
degree of dissociation of electrolyte?
question_answer27)
State Kohlrausch law of independent
migration of ions.
question_answer30)
What is Faraday?
question_answer31)
What is over potential?
question_answer32)
Which type of reaction occurs at anode
and cathode during electrolysis?
question_answer33)
What are the products of electrolysis
of fused
?
question_answer34)
What are the products of electrolysis
of aqueous solution?
question_answer35)
What are the products of electrolysis
of sulphuric acid in dilute solution?
question_answer36)
What are the products of electrolysis
of concentrated solution of sulphuric acid?
question_answer37)
Write the cell reaction during
electrolysis of aqueous solution.
question_answer38)
Define electrochemical equivalent.
question_answer39)
What is a battery?
question_answer40)
What is a primary cell? Give example.
question_answer41)
What is a secondary cell? Give example.
question_answer42)
Which substance is used as electrode in
a dry cell?
question_answer43)
rite the electrode reactions that occur
in dry cell.
question_answer44)
What is Leclanche cell?
question_answer45)
What is mercury cell?
question_answer46)
Name the battery used for low current
devices like watches and hearing aids.
question_answer47)
Write electrode reactions occuring in
mercury cell.
question_answer48)
Name the substance used as electrolyte
in a mercury cell.
question_answer49)
The cell potential of mercury cell
remains constant during its life time. Why?
question_answer50)
Name the battery used in automobiles
and inverters.
question_answer51)
What is nickel - cadmium cell?
question_answer52)
Name the electrodes and electrolytes
used in nickel - cadmium cell.
question_answer53)
Write electrode reactions of nickel -
cadmium cell.
question_answer54)
What are the demerits of a thermal
power plant?
question_answer55)
What are fuel cells? Give example.
question_answer56)
Name the fuel cell used in Apollo space
programme.
question_answer57)
Write the electrode reactions taking
place in a fuel cell.
question_answer58)
What is corrosion?
question_answer59)
Give example of a corrosion which is
useful?
question_answer60)
What is the source of H"*"
ion during corrosion?
question_answer61)
Give name and formula of compound
formed during rusting of iron.
question_answer62)
Name any two metals that can be used in
cathodic protection of iron.
question_answer63)
What is barrier protection of metal?
question_answer64)
How
is potential of an electrode determined?
question_answer65)
Zinc
can reduce hydrogen ion but copper cannot. Why?
question_answer66)
What
is the role of platinum or gold as electrode?
question_answer67)
Explain
why fluorine is the strongest oxidising agent?
question_answer68)
Lithium
metal is the strongest reducing agent. Why?
question_answer69)
Mention
the application of electrochemical cells.
question_answer70)
Write
Nernst equation and explain the terms involved.
question_answer71)
Mention
some of the applications of electrochemical series.
question_answer72)
How
is equilibrium constant of a reaction is related to standard emf of a cell?
question_answer73)
How
can strong and weak electrolytes be distinguished?
question_answer74)
Differentiate
between insulator, semiconductor and conductor.
question_answer75)
What
is the difference between electronic and. Electrolytic conductors?
question_answer76)
What
are the factors on which electronic conductance depends?
question_answer77)
On
what factors conductivity of electrolytic solution depends?
question_answer78)
How
is conductivity of a solution determined?
question_answer79)
What
are the difficulties in measuring resistance of an ionic solution?
question_answer80)
What
is molar conductance? Give its unit.
question_answer81)
Conductivity
of a solution decreases with increasing dilution of solution. Why?
question_answer82)
How
molar conductivity varies with dilution of solution?
question_answer83)
What
are strong electrolytes? Give example.
question_answer84)
What
are weak electrolytes? Give example.
question_answer87)
What
is electrolytic cell?
question_answer88)
What
is electrolysis?
question_answer89)
How
is electrolysis used in purification of copper metal?
question_answer90)
State
Faradays laws of electrolysis.
question_answer91)
What
is lead storage battery?
question_answer92)
Describe
the construction and reactions of lead storage batteries.
question_answer93)
What
are the advantages of fuel cell?
question_answer94)
Describe the reactions of a 
fuel cell.
question_answer95)
Corrosion is an electrochemical phenomenon. Explain.
question_answer96)
List
important methods that can be used for the prevention of corrosion.
question_answer98)
What
is sacrificial protection for corrosion?
question_answer99)
Hydrogen
is a renewable and non - polluting source of energy. Explain.
question_answer100)
What
is the vision of hydrogen economy?
question_answer102)
Electrolysis
of aqueous 
solution
liberates 
at anode
not 
Why?
question_answer104) Why
cannot oxidation occur without reduction?
question_answer105) Articles
of iron are generally coated with zinc. Explain.
question_answer108) What
is the source of electrical energy in a galvanic cell?
question_answer109) How
can the electrode potential of an electrode be increased?
question_answer112) What
is the difference between cell potential and standard cell potential?
question_answer117) Rusting
of iron becomes quicker in saline medium. Explain.
question_answer126) An
electrochemical cell stops working after sometime. Explain.
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\[E{}^\circ =+0\cdot 80\,V\]
reason
out whether, 1M silver nitrate solution can be stored in copper vessel or 1M
copper sulphate solution in silver vessel. 