Homologues have different

State whether the following statements are True or False:
$(i)$ There is a huge number of organic compounds because the carbon atom is very small.
$(ii)$ The number of organic compounds is huge because of catenation.
$(iii)$ Organic compounds are in a huge number because of valency.

The enolic form of acetone contains ................

Which of the following will have the highest enol content?

Which of the following $C_6H_6$ compounds has a single set of structurally equivalent hydrogen atoms? The structures are labeled $I$ to $V$ as shown in the image.

Vanillin,a compound obtained from vanilla beans,has a total sum of oxygen atoms and $\pi$-electrons equal to . . .