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What is the molecular geometry around the boron atom in BH3?

Which of the following concepts can be used to explain the difference in acidity between acetylene (C2H2) and ethylene (C2H4)?

What are the formal charges on fluorine and nitrogen in the following structure?

Tamiflu®, the most effective antiviral drug used to treat avian influenza, has the following structure. Identify the functional groups in Tamiflu®.

What is the approximate value of the H−C−H bond angles in methane, CH4?

What is the molecular geometry at the nitrogen atom in the following compound?

Which of the following compounds has a net dipole moment of zero?

Bonus question Which of the following best explains if H2O is a suitable reagent to protonate the compound shown below?

When forming molecular orbitals from atomic orbitals, what is the order of increasing C-H bond strength for the following set?

What are the formal charges on boron and oxygen in the following structure?