Neco 2020 Chemistry Question 3

Practice essay / theory question 3 from the 2020 Neco Chemistry examination. This question covers chemical bonding, oxidation number, hybridisation, molecular geometry, polarity .

Neco 2020 Chemistry Essay / Theory

Topics: chemical bonding oxidation number hybridisation molecular geometry polarity

Question 3 NECO • 2020 • CHEMISTRY • essay

The diagram shows the Lewis structure of sulfuryl chloride, SO2Cl2. The central sulfur atom (S) is double‑bonded to two oxygen atoms (O) and single‑bonded to two chlorine atoms (Cl). All lone pairs on the oxygen atoms are shown. Answer the following questions:

Question Parts

( a )

Determine the oxidation state of the sulphur atom in SO2Cl2.

( b )

State the hybridisation of the sulphur atom and describe the molecular geometry of SO2Cl2.

( c )

Discuss the polarity of the molecule. Indicate the direction of the net dipole moment and give a brief justification based on the electronegativity of the atoms and the molecular shape.

( d )

Classify the type of covalent bonds present between sulphur and oxygen, and between sulphur and chlorine. State the number of sigma (σ) and pi (π) bonds in each S–O and S–Cl linkage.

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About This Question

This is Neco 2020 Chemistry Question 3. It is one of the essay questions from the 2020 Neco Chemistry examination.

The question covers chemical bonding, oxidation number, hybridisation, molecular geometry, polarity .

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