Question

Which condensed structural formula represents an unsaturated compound?

(1) CH3CHCHCH3
(2) CH3CH2CH3
(3) CH3CH3
(4) CH4

Answer 1

Number(1).A carbon atom makes 4 bondings.As the second Carbon in the conpuond has only one hidrogen,it has to make other 3,two with the other carbon atoms,one of them Being a double,making the compound unsaturated.PS:Sorry for my english,um fron Brazil

Answer 2

Answer: The correct answer is option (1).

Step-by-step explanation:

The general formula of alkanes (Saturated compounds) is given as:
`C_nH_(2n+2)`

The general formula of alkene (Unsaturated compounds)is given as:
`C_nH_(2n)`

The general formula of alkynes (Unsaturated compounds)is given as:
`C_nH_(2n-2)`

1.
`CH_3CHCHCH_3:C_4H_8` unsaturated hydrocarbon

2.
`CH_3CH_2CH_3:C_3H_8` Saturated hydrocarbon

3.
`CH_3CH_3:C_2H_6` Saturate hydrocarbon

4.
`CH_4` Saturated hydrocarbon