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Regarding the complex K2[Cu(CN)4], which of the following statements is true?

Transition Elements MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Transition Elementschemistry-mcqs › transition-elements
Published
18 Mar 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

Option A is the correct name of the complex. Option B is incorrect because the coordination number is 4, not 2. Option C is wrong since cyanide ligands are negatively charged. Option D is correct because the central metal atom is situated inside the coordination sphere, meaning it is directly bonded to the ligands. Option E is incorrect as the complex has a square planar geometry.

More Transition Elements MCQs

Practice related questions from the same subject.

  1. 1.What term describes the chemical deterioration of metals caused by their interaction with the environment?
  2. 2.During the manufacturing of wrought iron, in which form are magnesium, silicon, and phosphorus eliminated?
  3. 3.What is the molecular geometry of a coordination complex when the central atom exhibits sp³d² hybridization?
  4. 4.How is the oxidation state typically denoted in complex compounds?
  5. 5.What term describes the central atom together with its attached ligands?
  6. 6.What is the term for a species that donates two pairs of electrons in a coordination complex?
  7. 7.What type of ions are formed when a transition metal compound dissolves in a salt solution?
  8. 8.Upon exposure to light, electrons in transition elements are excited from lower energy levels to higher energy levels in which orbitals?
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