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BITSAT Polymers — practice questions — page 3

Explore 63 free Polymers questions in BITSAT Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Polymers questions and exercises with answers

Showing questions 61–63 of 63.

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

Spot the one that does not belong

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Questions
  1. Items
    1. Shared pair
    2. Crystal lattice
    3. Lone pair
    Odd item
    Crystal lattice
  2. Items
    1. Bond length
    2. Bond order
    3. Lattice enthalpy
    Odd item
    Lattice enthalpy
  3. Items
    1. Electrovalency
    2. Resonance
    3. Canonical form
    Odd item
    Electrovalency
One term belongs to the ionic picture. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Assertion and reason: structure

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Questions
  1. Reason
    Length, angle, enthalpy, order and polarity all shape how it behaves.
    Verdict
    Both are true; the reason explains the assertion.
    Assertion
    Bond parameters matter for a compound's properties.
  2. Reason
    More shared pairs pull the bonded atoms closer together.
    Verdict
    Both are true; the reason explains the assertion.
    Assertion
    A triple bond is shorter than a single bond.
  3. Reason
    Several structures are written on one skeletal arrangement.
    Verdict
    The assertion is false and the reason is true.
    Assertion
    Resonance means the molecule oscillates.
The reason must genuinely explain the assertion. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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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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