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Indian Navy Pilot Redox Reactions — practice questions — page 2

Explore 34 free Redox Reactions questions in Indian Navy Pilot Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Redox Reactions questions and exercises with answers

Showing questions 31–34 of 34.

Flip and pair: parameter with what it measuresRead the answer and worked solution →Key in the oxidation numberRead the answer and worked solution →Oxidised or reduced?Read the answer and worked solution →Balance the redox equationRead the answer and worked solution →

Worked practice questions

Flip and pair: parameter with what it measures

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Matching pairs
  1. A
    Bond length
    B
    distance between bonded atoms
  2. A
    Bond angle
    B
    angle between two bonds
  3. A
    Bond enthalpy
    B
    energy of the bond
  4. A
    Bond order
    B
    number of shared pairs
  5. A
    Bond polarity
    B
    how evenly the pair is shared
The five bond parameters. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Key in the oxidation number

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Questions
  1. Answer
    1
    Question
    What is the oxidation number of hydrogen in most of its compounds?
  2. Answer
    -1
    Question
    What is the oxidation number of fluorine in all its compounds?
  3. Answer
    0
    Question
    What is the oxidation number of an element in its free state?
  4. Answer
    4
    Question
    What is the oxidation number of carbon in CO2?
Instructions
Work out each oxidation number and key it in on the pad.
_Source: syllabus Chemistry Unit7 Redox Reactions, 7.3 OXIDATION NUMBER_

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Oxidised or reduced?

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Items
  1. Item
    Loses electrons
    Category
    Oxidised
  2. Item
    Ox. number rises
    Category
    Oxidised
  3. Item
    Acts as reductant
    Category
    Oxidised
  4. Item
    Gains electrons
    Category
    Reduced
  5. Item
    Ox. number falls
    Category
    Reduced
  6. Item
    Acts as oxidant
    Category
    Reduced
Categories
  1. Item
    Oxidised
  2. Item
    Reduced
Instructions
Tap a description, then tap what is happening to the species.
_Source: syllabus Chemistry Unit7 Redox Reactions, 7.2 REDOX REACTIONS IN TERMS OF_

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