Minoxidil \(\left(\mathrm{C}_{9} \mathrm{H}_{15} \mathrm{~N}_{5} \mathrm{O}ight)\) is a compound produced by the Pharmacia \& Upjohn Company that has been approved as a treatment for some types of male pattern baldness.

a. Would minoxidil be more soluble in acidic or basic aqueous solution? Explain.
b. Give the hybridization of the five nitrogen atoms in minoxidil.
c. Give the hybridization of each of the nine carbon atoms in minoxidil.
d. Give approximate values for the bond angles marked \(a, b, c, d, e\), and \(f\).
e. Including all the hydrogen atoms, how many \(\sigma\) bonds exist in minoxidil?
f. How many \(\pi\) bonds exist in minoxidil?

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