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Chapter 10: Q10.37P (page 406)

Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following: (a) SO3 (b)N2O (N is central) (c)CH2Cl2 .

Short Answer

Expert verified

The shapes and bond angles of molecules can be determined from the VSEPR theory. The deviations arise mainly due to lone pair-lone pair repulsions.

Step by step solution

01

Step 1:  SO3

The sulphur atom sp2 is hybridised. The structure of the molecule would be trigonal planar around the central atom sulphur. The ideal bond angle would bedata-custom-editor="chemistry" 1200 .

02

Step 2:  N2O

The expected arrangement would be linear around the central atom N. Ideal bond angle would be1800.

03

Step 3:  CH2Cl2

The expected shape of the molecule is tetrahedral. The expected bond angle is 109.50 . However, the bond pair of C-Cl bond and C-H bond experience repulsion which may decrease the bond angle between C-H bond and increase between C-Cl.

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Most popular questions from this chapter

Hydrazine (N2H4 ) is used as a rocket fuel because it reacts very exothermically with oxygen to form nitrogen gas and water vapour. The heat released and the increase in the number of moles of gas provide thrust. Calculate the heat of the reaction.

Give the molecular shape of each species in Problem 10.62.

aPF5;bCCl4;   cH3O−;dICl3;eBeH2;fPH2−;gGeBr4;hCH3−;  iBCl3;jBrF4−;kXeO3;lTeF4.

A student isolates a product with the molecular shape shown at right (F is orange).

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