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BIHAR CET Coordination Compounds — practice questions — page 4

Explore 109 free Coordination Compounds questions in BIHAR CET 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 91–109 of 109.

True or false: ambidentate ligandsRead the answer and worked solution →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

True or false: ambidentate ligands

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Questions
  1. Statement is true
    Yes
    Statement
    An ambidentate ligand has two different possible donor atoms.
  2. Statement is true
    Yes
    Statement
    NO₂⁻ can bind through nitrogen or through oxygen.
  3. Statement is true
    Yes
    Statement
    SCN⁻ can bind through sulphur or through nitrogen.
  4. Statement is true
    No
    Statement
    An ambidentate ligand uses both donor atoms at once.
  5. Statement is true
    Yes
    Statement
    A chelate ligand uses two or more donor atoms simultaneously.
An ambidentate ligand has two DIFFERENT donor atoms and uses only one of them at a time, which is what separates it from a chelate. Source: syllabus Chemistry Part I, Ch 5 Coordination Compounds.

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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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