what is wrong with these names?provide the correct name for each.

Question

i.2-Dimethylpentane {4]
ii.2-Ethylpentane {4}
iii.5,5-Dimethyl-3-ethylhexane {4]

Answer 1

2,2-Dimethylpentane
1-Ethylpentane
1-ethyl-3,3-Dimethylyhexane

You need to figure then why these are correct.

Answer 2

i. only one location of the substituent is represented on the name.
ii.i disagree on this one i think the correct name here is 2-methylhexane because the longest chain is 6 carbons long not 5 carbons
iii.the parent chain is numbered incorrectly

Answer 3

you are correct, I was thinking on ii cyclohexane.

Answer 4

thank you very much