Transition Metals and Coordination Chemistry

JKPSC Assistant Professor (Chemistry) · Chemistry · 49 practice questions with answers and explanations: 5 Easy, 44 Medium, 0 Hard.

Sample questions

Sample Easy question 1

The coordination number of the central metal in [Fe(CN)₆]⁴⁻ is:

  1. 2
  2. 4
  3. 6
  4. 8
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Answer: C. Six cyanide ligands are attached.

Sample Easy question 2

The ligand EDTA is:

  1. Hexadentate
  2. Tridentate
  3. Bidentate
  4. Monodentate
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Answer: A. It binds through four oxygen and two nitrogen atoms.

Sample Easy question 3

The crystal field splitting energy in an octahedral field is denoted:

  1. Δp
  2. Δo
  3. Δt
  4. Δs
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Answer: B. The t₂g set lies below the e_g set.

Sample Medium question 4

Crystal field splitting in an octahedral complex gives:

  1. e and t₂ levels
  2. Only one level
  3. t₂g and e_g levels
  4. Four levels
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Answer: C. The t₂g is lower in energy.

Sample Medium question 5

In a tetrahedral crystal field, the splitting Δt is about:

  1. Equal to Δo
  2. 2 times Δo
  3. 4/9 of Δo
  4. Zero
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Answer: C. It is smaller than Δo.

Sample Medium question 6

The crystal field stabilisation energy of a d⁶ low-spin octahedral complex is:

  1. −0.4 Δo
  2. −2.4 Δo
  3. 0
  4. −1.2 Δo
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Answer: B. It has t₂g⁶.

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