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REDOX REACTIONS

Quiz by PREETI BIJU

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7 questions
Show answers
  • Q1

    The key characteristic of redox reactions is the

    noble gas electron configurations of each species

    passing of one or more electrons from one species to another

    fixed electron configurations of each species

    none of the above

    30s
  • Q2

    _________ are assigned to each element as a formalism to keep track of the movement of electrons between species.

    Molar masses

    Physical states

    Oxidation numbers

    stoichiometric coefficients

    30s
  • Q3

    Simply stated, the gain of electrons is

    sublimation

    reduction

    oxidation

    hydration

    30s
  • Q4

    During oxidation, the oxidation number of a species becomes

    zero

    more neutral

    more negative

    more positive

    30s
  • Q5

    The goal of a redox reaction is to keep the number of electrons lost

    equal to the number of electrons gained

    less than the number of electrons gained

    zero

    more than the number of electrons gained

    30s
  • Q6

    Changes in the __________ can also be used to balance redox equations.

    physical states

    molecular structures

    number of species

    oxidation numbers

    30s
  • Q7

     What is the oxidation number of N in NO2-1?

    -4

    +3

    -3

    -1

    30s

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