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G

g_dragon88

T

thanhlan9

C6H6+C2H4→(t˚,xt) C6H5-CH2-CH3(X là etylbenzen)

C6H5-CH2-CH3+Br2→(as,1:1) HBr+C6H5-CHBr-CH3(Y là 2-brometylbezen)

C6H5-CH2-CH2Br+KOH→(C2H5OH,t˚) C6H5-CH=CH2+KBr+H2O(Z là stiren)
 
C

cantien98

C6H6+C2H4→(t˚,xt) C6H5-CH2-CH3(X là etylbenzen)

C6H5-CH2-CH3+Br2→(as,1:1) HBr+C6H5-CHBr-CH3(Y là 2-brometylbezen)

C6H5-CH2-CH2Br+KOH→(C2H5OH,t˚) C6H5-CH=CH2+KBr+H2O(Z là stiren)

thahlan9 : sao pn pis đk nthe ********************************************************************************************************************************************************************************************************************************??????
 
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