C3H8 - пропан
CH3-CH2-CH3
С3H6 -пропен
CH2=CH-CH3
C3H4 -пропин
CH(тройная связь)C-CH3
А - CH3-CH(CH3)CH2-CH3
B - CH3-C(CH3)-CH2-CH3
⇵
Br
C - CH3-C(CH3)=CH-CH3
Объяснение:1) CH3-CH(CH3)CH2-CH3 + Br₂(hv) → CH3-(Br)C(CH3)-CH2-CH3 + HBr
2) CH3-(Br)C(CH3)-CH2-CH3 + Na(OH)(спирт.) → CH3-(CH3)C=CH-CH3 + NaBr + H₂O
3) 3CH3-C(CH3)=CH-CH3 + 2KMnO4 + 3H₂O → 3CH3-(CH3)C(OH)-CH(OH)-CH3 + 2MnO2 + 2KOH
1) C3H8 - пропан
CH3-CH2-CH3
2) С3H6 -пропен
CH2=CH-CH3
3) C3H4 -пропин
CH(тройная связь)C-CH3