NEET Chemistry The s-Block Elements Questions Solved


Assertion : Alkali metals dissolve in liquid ammonia and produce solvated cations and
solvated electrons

Reason : In concentrated solutions, the blue colour of the solutions of alkali metals in liquid ammonia, changes to bronze colour.

Show Options

(B) M+x+yNH3MNH3x++eNH3y-

    Above 3M concentration, the solutions are no longer blue but are bronze/copper-bronze
            coloured with a metallic luster due to formation of metal ion clusters.

Difficulty Level:

  • 34%
  • 55%
  • 9%
  • 4%