D-Block Elements and Complexes

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Questions and Answers

Which of the following is NOT a general feature of d-block elements?

  • They are found in the petrochemical industry. (correct)
  • They include metals used in industrial applications.
  • They are known for their appearance, rarity, and durability.
  • They are present in virtually every aspect of modern life.

Which of the following is NOT mentioned as a property of some typical members of the d-block elements?

  • Helped civilization rise from the Stone Age.
  • Prized for their usefulness in everyday life. (correct)
  • Used in the aerospace industry.
  • Used as catalysts in the petrochemical industry.

What is the principal feature of d-metal complexes?

  • They have ligands that affect their properties. (correct)
  • They are prized for their usefulness in everyday life.
  • They are used in the aerospace industry.
  • They are found in the petrochemical industry.

How do ligands affect the properties of complexes?

<p>They affect the properties of complexes. (B)</p> Signup and view all the answers

Which of the following is NOT a d-block element mentioned in the text?

<p>Platinum (B)</p> Signup and view all the answers

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Study Notes

D-Block Elements

  • General features of d-block elements include a wide range of physical and chemical properties, multiple oxidation states, and the ability to form coordination compounds
  • D-block elements exhibit a variety of physical properties, such as different colors, melting and boiling points, and magnetic behavior

Properties of D-Block Elements

  • Some typical members of the d-block elements exhibit properties such as magnetic behavior, catalytic activity, and diverse colors

D-Metal Complexes

  • The principal feature of d-metal complexes is the ability to form complexes with multiple ligands
  • Ligands can affect the properties of complexes by splitting the d-orbital energy levels, resulting in different colors and magnetic properties

D-Block Elements List

  • The d-block elements mentioned in the text include Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn

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