It is Methene.
The compound CH3 is known as methyl group. It is a functional group consisting of a carbon atom bonded to three hydrogen atoms.
The name of this compound is 2-chlorobutane.
That's Propane. You can also express it as C3H8 .
The compound CH2=CH-CH=CH2 when reacts with HBr gives 1,4 addition product, CH3-CH=CH-CH2Br
CH3-CH2-CH3 is a gas Propane.
The compound is called 2,2,3-trimethylbutane.
o-diethylbenzene
The name of the compound CH3CH2CH2CH3 is butane.
The compound name of O-CH2-CH3 is ethyl methoxide.
The compound CH3 is known as methyl group. It is a functional group consisting of a carbon atom bonded to three hydrogen atoms.
Ethylbromide is the name of the compound CH3-CH2-Br.
CH2CH2CH3 is NOT a compound name, but a 'Propyl' functional group , which would be attached to a larger molecule. Propane is CH3-CH2-CH3 Propene is CH2=CH-CH3 Propyne is HC=C-CH3 ( A triple bond). The CH2CH2CH2, is written as R-CH2CH2CH3 , the propyl functional group and 'R' the rest of the molecule.
The name of the compound CH3CH(CH3)CH2CHO is 2-methylbutanal.
PENTAN-3-EN-2-ONE
The name of this compound is 2-chlorobutane.
Cyclopentyl ethyl ester
The compound you provided is 2-propanol.