When a compound of transition element is dissolved in a solution of salt then it produces____________________?
Correct answer: B. complex ions
- A. simples ions
- B. complex ions
- C. double salts
- D. strong anions
Explanation
A coordination compound retains its metal-ligand bonding in solution, so it produces complex ions such as [Cu(NH3)4]2+ rather than completely separate simple ions. Students may choose double salts because both contain more than one ionic component, but double salts dissociate into their constituent simple ions in water.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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