Many structures of phosphorus-containing compounds are drawn with some P9O bonds. These bonds are not the typical π bonds we’ve considered, which involve the overlap of two p orbitals. Instead, they result from the overlap of a d orbital on the phosphorus atom with a p orbital on oxygen. This type of π bonding is sometimes used as an explanation for why H 3 PO 3 has the first structure below rather than the second: Draw a picture showing how a d orbital and a p orbital overlap to form a π bond.

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Interpretation Introduction Interpretation: Two structures of H 3 PO 3 is given. A picture is to be drawn to show the overlapping of d orbital and p orbital in the first structure to form π bond. Concept introduction: The bond that is formed due to side to side overlap is known as pie bond. To determine: A pictorial representation to show the overlapping of d orbital and p orbital in the first structure of H 3 PO 3 to form π bond Explanation Explanation The given structure of H 3 PO 3 is, Figure 1 The atomic number of central atom phosphorous ( P ) is 15 and its electronic configuration is, 1s 2 2s 2 2p 6 3 s 2 3 p 3 The valence electron of phosphorous is 5 . The atomic number of oxygen ( O ) is 8 and its electronic configuration is, 1s 2 2s 2 2p 4 The valence electron of oxygen is 6 . The atomic number of hydrogen is 1 and its electronic configuration is, 1s 1 The valence electron of hydrogen is 1 . The formula of number of electron pairs is, X = V + M ± C 2 Where, X is the number of electron pairs. V is the valence electrons of central atom

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Chemistry: An Atoms First Approach

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BuyFind

Chemistry: An Atoms First Approach

2nd Edition

Steven S. Zumdahl + 1 other

Publisher: Cengage Learning

ISBN: 9781305079243

Solutions

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Section

Answer 3

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Answer 4

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Answer 5

Interpretation Introduction

Interpretation: Two structures of H3PO3 is given. A picture is to be drawn to show the overlapping of d orbital and p orbital in the first structure to form π bond.

Concept introduction: The bond that is formed due to side to side overlap is known as pie bond.

To determine: A pictorial representation to show the overlapping of d orbital and p orbital in the first structure of H3PO3 to form π bond

Explanation of Solution

Explanation

The given structure of H3PO3 is,

Figure 1

The atomic number of central atom phosphorous (P) is 15 and its electronic configuration is,

1s22s22p63s23p3

The valence electron of phosphorous is 5 .

The atomic number of oxygen (O) is 8 and its electronic configuration is,

1s22s22p4

The valence electron of oxygen is 6 .

The atomic number of hydrogen is 1 and its electronic configuration is,

1s1

The valence electron of hydrogen is 1 .

The formula of number of electron pairs is,

X=V+M±C2

Where,

X is the number of electron pairs.

V is the valence electrons of central atom

Chemistry: An Atoms First Approach

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Chemistry: An Atoms First Approach

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