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VITEEE d- and f-Block Elements — practice questions — page 2

Explore 38 free d- and f-Block Elements questions in VITEEE Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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d- and f-Block Elements questions and exercises with answers

Showing questions 31–38 of 38.

True or false: what bond parameters affectRead the answer and worked solution →Bond parameters in useRead the answer and worked solution →Which parameter answers this?Read the answer and worked solution →True or false: resonanceRead the answer and worked solution →Order the steps: draw a Lewis structureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: structureRead the answer and worked solution →Flip and pair: parameter with what it measuresRead the answer and worked solution →

Worked practice questions

True or false: what bond parameters affect

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Questions
  1. Statement is true
    Yes
    Statement
    Bond length affects the properties of a compound.
  2. Statement is true
    Yes
    Statement
    Bond enthalpy affects the properties of a compound.
  3. Statement is true
    Yes
    Statement
    Bond polarity affects the properties of a compound.
  4. Statement is true
    No
    Statement
    Bond parameters have no effect on properties.
  5. Statement is true
    Yes
    Statement
    Bond order counts the shared electron pairs.
They are not decoration they set the compound's properties. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Bond parameters in use

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Questions
  1. Question
    Bond length measures
    Choices
    1. the energy to break the bond
    2. the distance between bonded atoms
    3. the number of pairs
    Correct choice
    the distance between bonded atoms
  2. Question
    Bond enthalpy measures
    Choices
    1. the length
    2. the angle
    3. the energy involved in the bond
    Correct choice
    the energy involved in the bond
  3. Question
    Bond order counts
    Choices
    1. the shared electron pairs
    2. the lone pairs
    3. the atoms
    Correct choice
    the shared electron pairs
  4. Question
    Bond polarity concerns
    Choices
    1. bond length
    2. uneven sharing of the pair
    3. lattice energy
    Correct choice
    uneven sharing of the pair
Each parameter answers a different question about the bond. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Which parameter answers this?

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Items
  1. Item
    How far apart are the atoms?
    Category
    Bond length
  2. Item
    Measured in picometres
    Category
    Bond length
  3. Item
    How much energy to break it?
    Category
    Bond enthalpy
  4. Item
    Measured in kilojoules per mole
    Category
    Bond enthalpy
  5. Item
    Single, double or triple?
    Category
    Bond order
  6. Item
    Counts the shared pairs
    Category
    Bond order
Categories
  1. Item
    Bond length
  2. Item
    Bond enthalpy
  3. Item
    Bond order
Matching the question to the measurement. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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