What Is the Number of Lone Electron Pairs on the Central

question 92

Multiple Choice

What is the number of lone electron pairs on the central atom of a molecule having a trigonal pyramidal molecular geometry, such as NH₃?

• A) 1
• B) 2
• C) 3
• D) 0
• E) 4

Discuss the theoretical aspects of separating compounds by physical methods such as distillation.

Determine the stereochemical configuration of molecules from given structures.

Draw enantiomers of chiral molecules.

Describe methods for separating two enantiomers.

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