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ISC Class 12 The d- and f-Block Elements & Coordination Compounds — practice questions — page 2

Explore 57 free The d- and f-Block Elements & Coordination Compounds questions in ISC Class 12 Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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The d- and f-Block Elements & Coordination Compounds questions and exercises with answers

Showing questions 31–57 of 57.

Spot the one that does not belongRead the answer and worked solution →Complete the coordination sphere ruleRead the answer and worked solution →Tap every statement true of a chelate complexRead the answer and worked solution →Match each complex to its shapeRead the answer and worked solution →True or false: ambidentate ligandsRead the answer and worked solution →Synergic bonding in metal carbonylsRead the answer and worked solution →Order the steps: read a formula like K₄[Fe(CN)₆]Read the answer and worked solution →Flip and pair: term with meaningRead 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 →Complete Werner's postulateRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Match each theory to what it explainsRead the answer and worked solution →A COORDINATION COMPOUND consists of a central metal atom (or ion) BONDED to a set of surrounding molecules or ions, calledRead the answer and worked solution →Chelate or ambidentate?Read the answer and worked solution →Ethylenediamine (en) is best described as a:Read the answer and worked solution →Complete the definition of oxidation numberRead the answer and worked solution →The biological molecule HAEMOGLOBIN contains which metal at its centre?Read the answer and worked solution →The IUPAC name of K3[Fe(CN)6] is:Read the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →The 'spin only' magnetic moment $\mu$ (in Bohr magnetons) of a transition metal ion with $n$ unpaired d-electrons is given by:Read the answer and worked solution →Among the 3d-series transition metals, the element that exhibits the largest number of oxidation states is:Read the answer and worked solution →Sort each ligand by how many donor atoms it usesRead the answer and worked solution →Tap every failing of Valence Bond TheoryRead the answer and worked solution →NEET · Chemistry · Tap the HalogensRead the answer and worked solution →

Worked practice questions

Spot the one that does not belong

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Questions
  1. Items
    1. Cl⁻
    2. EDTA⁴⁻
    3. H₂O
    Odd item
    EDTA⁴⁻
  2. Items
    1. Octahedral
    2. Tetrahedral
    3. Ambidentate
    Odd item
    Ambidentate
  3. Items
    1. NH₃
    2. NO₂⁻
    3. SCN⁻
    Odd item
    NH₃
  4. Items
    1. Werner
    2. Kohlrausch
    3. Valence Bond Theory
    Odd item
    Kohlrausch
Each group is built on one definition. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Complete the coordination sphere rule

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Missing parts
  1. Answer
    square brackets
    Choices
    1. square brackets
    2. round brackets
    3. curly braces
  2. Answer
    counter ions
    Choices
    1. counter ions
    2. ligands
    3. chelates
  3. Answer
    K⁺
    Choices
    1. K⁺
    2. CN⁻
    3. Fe²⁺
Complete the statement
The central atom and its ligands are enclosed in {0} and called the coordination sphere. The ionisable groups written outside are called {1}. In K₄[Fe(CN)₆] the counter ion is {2}.
What goes inside the brackets and what stays outside. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Tap every statement true of a chelate complex

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Questions
  1. Items
    1. Text
      The ligand uses two or more donors at once
      Matches the category
      Yes
    2. Text
      More stable than a similar unidentate complex
      Matches the category
      Yes
    3. Text
      EDTA⁴⁻ forms them
      Matches the category
      Yes
    4. Text
      The ligand uses only one donor
      Matches the category
      No
    5. Text
      It has no central metal atom
      Matches the category
      No
    Category
    True of a CHELATE complex
Stability is the reason chelation matters in analytical and medicinal chemistry. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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