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COMEDK Coordination Compounds — practice questions — page 3

Explore 74 free Coordination Compounds questions in COMEDK Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Coordination Compounds questions and exercises with answers

Showing questions 61–74 of 74.

True or false: the theories and their limitsRead the answer and worked solution →Complete Werner's postulateRead the answer and worked solution →Synergic bonding in metal carbonylsRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Order the steps: read a formula like K₄[Fe(CN)₆]Read the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Tap every statement true of a chelate complexRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →True or false: where coordination chemistry mattersRead the answer and worked solution →Inside the brackets or outside?Read the answer and worked solution →Spot the odd one outRead the answer and worked solution →

Worked practice questions

True or false: the theories and their limits

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Questions
  1. Statement is true
    Yes
    Statement
    VBT explains geometrical shapes with reasonable success.
  2. Statement is true
    No
    Statement
    VBT gives a quantitative account of magnetic behaviour.
  3. Statement is true
    Yes
    Statement
    CFT treats ligands as point charges.
  4. Statement is true
    Yes
    Statement
    The point charge assumption creates theoretical difficulties.
  5. Statement is true
    Yes
    Statement
    CFT can estimate magnetic moments quantitatively.
Each theory is judged on what it does and does not deliver. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Complete Werner's postulate

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Missing parts
  1. Answer
    ionisable (ionic)
    Choices
    1. ionisable (ionic)
    2. covalent
    3. metallic
  2. Answer
    non-ionisable (covalent)
    Choices
    1. non-ionisable (covalent)
    2. ionic
    3. hydrogen
Complete the statement
Werner proposed two kinds of linkage. The primary linkage corresponds to the {0} bond, and the secondary linkage to the {1} bond.
Werner's two linkages map onto modern bonding language. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Synergic bonding in metal carbonyls

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Questions
  1. Question
    In a metal carbonyl, the ligand to metal bond is
    Choices
    1. a sigma bond
    2. a pi bond
    3. ionic
    Correct choice
    a sigma bond
  2. Question
    The metal to ligand bond is
    Choices
    1. a sigma bond
    2. a pi bond
    3. ionic
    Correct choice
    a pi bond
  3. Question
    This two-way arrangement is called
    Choices
    1. chelation
    2. ambidentate binding
    3. synergic bonding
    Correct choice
    synergic bonding
  4. Question
    Synergic bonding gives metal carbonyls
    Choices
    1. extra stability
    2. a permanent charge
    3. optical activity
    Correct choice
    extra stability
The metal-carbon bond runs both ways: sigma from ligand to metal, pi from metal back to ligand. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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