Question

#19 The following molecule is an example of a

	sulfide
	sulfur alcohol
	thiol
	thio ether

#22 A cyclic alkene that has 6 carbon atoms is a constitutional isomer of a straight chain alkane that also has 6 carbon atoms

	True
	False

#27 Hydrogenation of alkenes is commonly carried out in the food industry in order to convert liquid vegetable oils into solid forms. What reagents are required in order to carry this out?

	H2O and H2SO4
	H2 and Pd
	H2 and H2SO4
	H2O and Pd
	magic

#28 Para substituents on a benzene ring occupy positions on carbon atoms adjacent to (next to) each other.

	true
	false
	only if the substituents are the same