Which of the following compounds have both a ketone and an ester functional group?

How many sp2 carbons are present in H2C=C=CH2?

Which of the following compounds is not a Lewis Base?

Bonus question For the structure shown in the box below identify two corresponding correct resonance structures.

Which of the following species cannot act as both a Brønsted-Lowry acid and base?

Which of the following compounds has two lone pairs on the central atom?

Consider the following structures I-IV. Which two species represent constitutional isomers? 

Consider the molecule atenolol (a β blocker used to treat hypertension). Which of the following lists the correct functional groups present in atenolol?  

For the following reaction, identify the Lewis base. 

Which of the following compounds is most soluble in water?