1)CH3-CH3--->CH2=CH2+H2(t,Cr2O3)
2)CH2=CH2+H2O--->CH3-CH2-OH(t,H2SO4)
3)2CH3-CH2-OH+2K--->2CH3-CH2-OK+H2
1)CH3-CH3--->CH2=CH2+H2(t,Cr2O3)
2)CH2=CH2+H2O--->CH3-CH2-OH(t,H2SO4)
3)2CH3-CH2-OH+2K--->2CH3-CH2-OK+H2