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Indian Navy Pilot Electrochemistry — practice questions — page 2

Explore 33 free Electrochemistry questions in Indian Navy Pilot Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Electrochemistry questions and exercises with answers

Showing questions 31–33 of 33.

Reading the definitions backRead the answer and worked solution →Complete the dilution behaviourRead the answer and worked solution →True or false: the standard scaleRead the answer and worked solution →

Worked practice questions

Reading the definitions back

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Questions
  1. Question
    The ionic conductor in a cell is called the
    Choices
    1. electrode
    2. electrolyte
    3. cathode
    Correct choice
    electrolyte
  2. Question
    A cell that converts chemical energy into electrical work is
    Choices
    1. electrolytic
    2. neither
    3. galvanic
    Correct choice
    galvanic
  3. Question
    Reduction takes place at the
    Choices
    1. cathode
    2. anode
    3. electrolyte
    Correct choice
    cathode
  4. Question
    Corrosion is best described as
    Choices
    1. purely physical
    2. an electrochemical phenomenon
    3. a nuclear process
    Correct choice
    an electrochemical phenomenon
Straight recall of the chapter's core terms. Source: syllabus Chemistry Part I, Ch 2 Electrochemistry.

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Complete the dilution behaviour

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Missing parts
  1. Answer
    decreases
    Choices
    1. decreases
    2. increases
    3. stays constant
  2. Answer
    increases
    Choices
    1. increases
    2. decreases
    3. stays constant
  3. Answer
    weak
    Choices
    1. weak
    2. strong
    3. all
Complete the statement
On dilution, conductivity {0} while molar conductivity {1}. The rise is very steep for {2} electrolytes in dilute solution.
The two curves behave oppositely, and the weak electrolyte's is the steep one. Source: syllabus Chemistry Part I, Ch 2 Electrochemistry.

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True or false: the standard scale

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Questions
  1. Statement is true
    Yes
    Statement
    The standard hydrogen electrode is taken as zero.
  2. Statement is true
    Yes
    Statement
    E°(cell) is cathode potential minus anode potential.
  3. Statement is true
    No
    Statement
    E°(cell) is anode minus cathode.
  4. Statement is true
    Yes
    Statement
    Ag⁺/Ag has a higher standard potential than K⁺/K.
  5. Statement is true
    No
    Statement
    K⁺/K has a positive standard potential.
How the potential scale is anchored. Source: syllabus Chemistry Part I, Ch 2 Electrochemistry.

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