Question

The manganate and permanganate ions are tetrahedral, due to :
(1) The π- bonding involves overlap ofp-orbitals of oxygen with d-orbitals of manganese
(2) There is no π- bonding
(3) The π- bonding involves overlap ofp-orbitals of oxygen with p-orbitals of manganese
(4) The π- bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese

Answer 1

The π- bonding involves overlap ofp-orbitals of oxygen with d-orbitals of manganese

Step by step explanation:

Manganate ion;

• The charge of the manganate ion is negative.

• The molecular formula - $\bold{MnO_{4}^{2-}}$

• In this ion, two oxygen atoms are double bonded to the manganese atom and remaining two oxygen atoms are single bonded.

• In this ion , $\pi$ bonds are of p-orbitals of oxygen with d-orbitals of manganese($d \pi-p \pi$)

Permanaganate ion:

• The charge of permanganate ion is negative.

• The molecular formula - $\bold{MnO_{4}^{-}}$

• In this ion contains three double bonded oxygen atoms and one single bonded oxygen.

• In this ion , $\pi$ bonds are of p-orbitals of oxygen with d-orbitals of manganese($d \pi-p \pi$)

The structures of each ion is as follows.(in attachment)

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