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  • Help me understand! How many d-orbitals are vacant in IF7 after promotion of electrons (if required)

How many d-orbitals are vacant in IF7 after promotion of electrons (if required)

  • Option 1)

    2

  • Option 2)

    3

  • Option 3)

    4

  • Option 4)

    5

 

Answers (1)

As we learnt in 

Hybridisation -

The process of mixing of atomic orbitals belonging to the same atoms of slightly different energies so that a redistribution of energy takes place between them  resulting in the formation of new set of orbital of equivalent energies and shape is called hybridisation.

- wherein

The new orbitals thus formed are called hybrid orbitals

 

 Hybridization of I in IF_{7}\:is\:sp^{3}d^{3}

Electronic config of  I:[K_{r}]\:5s^{2}\:4d^{10}\:5p^{5}

The electrons in s and p orbitals will get excited to fill 5d orbitals.

\therefore\: new config: 

\therefore 2 d orbitals are vacant.


Option 1)

2

This option is correct.

Option 2)

3

This option is incorrect.

Option 3)

4

This option is incorrect.

Option 4)

5

This option is incorrect.

Posted by

Vakul

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