+91-8076753736 support@wiredfaculty.com

Sponsor Area

The D-And-f-Block Elements

Question

Wired Faculty App

Which metal in the first series of transition metals exhibits +1 oxidation state most frequently and why?

Solution

Copper metal (Cu, at. no. 29) shows +1 oxidation state i.e., it exists as Cu⁺ in large number of copper compounds e.g., cuprous oxide (Cu₂O), cuprous sulphide (Cu₂S); cuprous chloride (Cu₂Cl₂) etc. The electronic configuration of Cu⁺ is [Ar] 3d¹⁰ 4s⁰.
This configuration is very stable as all five 3d orbitals are fully filled.

Some More Questions From The d-And-f-Block Elements Chapter

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?

The outer electronic configuration of copper is 3d¹⁰ 4s¹, yet it is considered transition element. Why?

Why the melting points of transition elements are high?

Why Zn, Cd and Hg are not regarded as transition elements?

Name the first element of 3rd transition series.

Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?

Why are transition elements so named?

Why are transition elements known as d-block elements?

Write the general electronic configuration of d-block elements.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation