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Rajasthan Board Class 12 (RBSE) Coordination Compounds — practice questions — page 2

Explore 48 free Coordination Compounds questions in Rajasthan Board Class 12 (RBSE) 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 31–48 of 48.

Chelate or ambidentate?Read the answer and worked solution →Complete the definition of oxidation numberRead the answer and worked solution →Match each theory to what it explainsRead the answer and worked solution →Tap every failing of Valence Bond TheoryRead the answer and worked solution →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

Chelate or ambidentate?

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Items
  1. Item
    Uses two donor atoms at the same time
    Category
    Chelate
  2. Item
    Forms unusually stable complexes
    Category
    Chelate
  3. Item
    EDTA⁴⁻ binding a metal ion
    Category
    Chelate
  4. Item
    Has two different donor atoms, uses one
    Category
    Ambidentate
  5. Item
    NO₂⁻
    Category
    Ambidentate
  6. Item
    SCN⁻
    Category
    Ambidentate
Categories
  1. Item
    Chelate
  2. Item
    Ambidentate
Both involve more than one candidate donor atom, but a chelate uses them together while an ambidentate ligand picks one. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Complete the definition of oxidation number

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Missing parts
  1. Answer
    ligands
    Choices
    1. ligands
    2. counter ions
    3. electrons
  2. Answer
    electron pairs
    Choices
    1. electron pairs
    2. protons
    3. brackets
Complete the statement
The oxidation number of the central atom is the charge it would carry if all the {0} were removed, along with the {1} they share with it.
Your syllabus defines it as a thought experiment: strip the ligands and see what charge is left. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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Match each theory to what it explains

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Matching pairs
  1. Left
    Werner's theory
    Right
    primary and secondary linkages, and shapes
  2. Left
    Valence Bond Theory
    Right
    formation, magnetic behaviour and shape
  3. Left
    Crystal Field Theory
    Right
    splitting of d orbital energies by ligands
  4. Left
    Synergic bonding
    Right
    why metal carbonyls are stable
Werner came first, then VBT, then CFT, each answering what the last could not. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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