Write 2 isomers and 2 homologues of 2,4-dimethylpentene-1

2,4-dimethylpentene-1 has a molecular formula C7H14 and a structural formula:
H2C = C (CH3) -CH2-CH (CH3) -CH3.
Isomers have the same gross formula. but different structural:
H3C-C (CH3) = CH-CH (CH3) -CH3 2,4-dimethylpentene-2.
H2C = CH-CH (C2H5) -CH2-CH3 3-ethylpentene-2.
Homologues differ in the gross formula for the number of CH2 units:
H2C = C (CH3) -CH2-CH2-CH (CH3) -CH3 2,5-dimethylheptene-1.
H2C = C (CH3) -CH2-C (CH3) 2-CH2-CH3 2,4,4-trimethylheptene-1.



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