Question

how can we know to draw the structure of cyclobutane ,pentane, benzene or any other structure of this topic​

Answer 1

Explanation:

if cyclopentane structure is asked

I should draw in shape of ring,because he had asked cyclo

c

c c

c c

pentene and benzene

pent=5

5 carbon bonds

c-c-c-c-c as it is ane=single bond

now mention required hydrogen atoms carbon=4bond

benzene

unsaturated cyclic hydrocarbon,it is also called as aromatic agent because of its peculiar smell