UNC-Chapel Hill CHEM 251 - Problem Session 2 (2 pages)

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Problem Session 2



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Problem Session 2

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Molecular Orbital Problems


Lecture number:
8
Pages:
2
Type:
Lecture Note
School:
University of North Carolina at Chapel Hill
Course:
Chem 251 - INTRO INORG CHEM Lecture 2

Unformatted text preview:

CHEM 251 1st Edition Lecture 8 Outline of Last Lecture I Clicker Questions II Heteronuclear MO Diagrams III Mixing IV VSEPR Theory Outline of Current Lecture V Clicker Question VI Group Problems Current Lecture VII Clicker Question a Which element is most electronegative Fr Mo Br Cl b Which will have the largest dipole CH3Cl CH3F CF4 c What pair of atomic orbitals produces the following Answer VIII Group Problem a Why is diazomethane explosive while ethyl diazoacetate is stable i The latter has resonance stabilization b Problem 2 3 parts i Draw the orbitals that form a pi bond in CN These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute ii Draw the orbitals that form a pi anti bond in CN Make sure that your answer reflects any polarization present in the covalent bond iii Would you expect CN to be more or less polarized than CO LESS c Explain why the sigma pi ordering is different in N2 and F2 i 2s 2p energy spacing increases across a period ii why Because higher Zeff affects electrons more iii 1s 2p mixing occurs in N2 but not F2



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