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JEE Advanced Redox & Electrochemistry — practice questions — page 2

Explore 34 free Redox & Electrochemistry questions in JEE Advanced Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Redox & Electrochemistry questions and exercises with answers

Showing questions 31–34 of 34.

Assertion and reason: structureRead the answer and worked solution →Flip and pair: parameter with what it measuresRead the answer and worked solution →Galvanic or electrolytic cell?Read the answer and worked solution →True or false: electrochemistryRead the answer and worked solution →

Worked practice questions

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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Galvanic or electrolytic cell?

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Items
  1. Item
    Makes electricity
    Category
    Galvanic
  2. Item
    Reaction natural
    Category
    Galvanic
  3. Item
    Chemical to elec
    Category
    Galvanic
  4. Item
    Uses electricity
    Category
    Electrolytic
  5. Item
    Reaction is forced
    Category
    Electrolytic
  6. Item
    Elec to chemical
    Category
    Electrolytic
Categories
  1. Item
    Galvanic
  2. Item
    Electrolytic
Instructions
Tap a description, then tap the kind of cell it is.
_Source: syllabus Chemistry Electrochemistry, Electrochemistry_

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