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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Consider the three fluorides BF4, SiF4, and SF4.

(a) Identify a molecule that is isoelectronic with BF4.

(b) Are SiF4 and SF4 isoelectronic?

(c) What is the hybridization of the central atom in BF4 and SiF4?

(a)

Interpretation Introduction

Interpretation:

The molecule which is isoelectronic with BF4- has to be determined.

Concept Introduction:

Isoelectronic: This is refers to two atoms, ions or molecules that have the same electronic structure and the same number of electrons. The term means equal electric charge. The isoelectronic chemical species typically displays similar chemical properties.

Explanation

Given molecular ions are BF4-,SiF4andSF4

The total number of electrons in BF4- is 32

Consider the molecule SiF4

(b)

Interpretation Introduction

Interpretation:

It has to be identified whether SiF4 and SF4 is isoelectronic in nature.

Concept Introduction:

Isoelectronic: This is refers to two atoms, ions or molecules that have the same electronic structure and the same number of electrons. The term means equal electric charge. The isoelectronic chemical species typically displays similar chemical properties.

(c)

Interpretation Introduction

Interpretation:

The hybridization of central atom in BF4- and SiF4 has to be determined.

Concept Introduction:

Hybridization:

  • It is the mixing of valence atomic orbitals to get equivalent hybridized orbitals that having similar characteristics and energy.
  • Geometry of a molecule can be predicted by knowing its hybridization.
  • sp3  hybrid orbitals is produced by hybridization of single s-orbital and three p-orbital.
  • sp2  hybrid orbitals is produced by hybridization between one s-orbital and two p-orbitals.
  • sp  hybrid orbitals is produced by hybridization of single s-orbital and single p-orbital.

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