C5H11應該是戊基,它有七種同分異構體,分別是CH3CH2CH2CH2CH2-,CH3CH2CH2CH(CH3)-CH3CH2CH(CH3)CH2-CH3CH(CH3)CH2CH2-CH3CH2C(CH3)2-,CH3C(CH3)2CH2...
沒有C5H11這種物質,應該是C5H12,是戊烷的化學式,一種有機化合物,有三種同分異構體,即正戊烷,其結構簡式為CH3CH2CH2CH2CH3...