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Question

Match the column I with column II and mark the appropriate choice.

Column I
Column II
(A)Electrochemical equivalent(i)Potential difference x Quantity of charge
(B)Faraday(ii)Mass of substance deposited by one coulomb of charge
(C)Ampere(iii)Charge carried by one mole of electrons
(D)Electrical energy(iv)One coulomb of electric charge passed through one second

A
(A)(ii), (B) (i), (C) (iii), (D) (iv)
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B
(A) (ii), (B) (iii), (C) (iv), (D) (i)
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C
(A) (iii), (B) (iv), (C) (i), (D) (ii)
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D
(A) (iv), (B) (i), (C) (ii), (D) (iii)
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Solution

The correct option is B (A) (ii), (B) (iii), (C) (iv), (D) (i)
  • Electrochemical equivalent: The weight of a substance deposited or evolved during electrolysis by the passage of a specified quantity of electricity and usually expressed in grams per coulomb
  • Faraday: Ameasureoftheelectricchargecarriedbyonemoleofelectrons,usedin electrolysisasthe quantity ofcharge requiredtodepositorliberateonegramequivalentweightofa substance.
  • Ampere: By definition, if 1 Coulomb of Charge flows through a Conductor in 1 second then the magnitude of the current is said to be 1 A.
  • Electrical Energy: Electrical energy is the work done by electric charge. If current i ampere flows through a conductor or through any other conductive element of potential difference V volts across it, for time t second. We know Q=I×t and hence electrical energy becomes, Potential difference×quantity of charge

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