2,2,3-tri-methyl-butane is the name of: (CH3)2-CH-C-(CH3)3 or reversely written: (CH3)3-C-CH-(CH3)2
CH3 is Carbon Trihydride
It is Methene.
That's Propane. You can also express it as C3H8 .
CH3-CH2-CH3 is a gas Propane.
I would call it something like 2-bromo propanoic acid
Butane
PENTAN-3-EN-2-ONE
o-diethylbenzene
Ethylbromide is the name of the compound CH3-CH2-Br.
It is Methene.
This is hex3-ene-2-ol
Cyclopentyl ethyl ester
2-bromo-3-iodobutane 3 3-
It is 1 fluoropentane.
butanol
CH3-CH2-CH2-CH=CH2 will be names as 1-pentene or pent-1-ene
CH3COH(CH3)2; (Ch3) 3COH
The name for the CH3-Ch-CH3 alkyl group is isopropyl.