cau 1
phuong phap nhan biet toluen ,benzen, hexan, ancoletylic
cau2
cho cac chat sau : glixerol, stiren, vinyaxetilen ,dimety axetylen, ancol etylic, phenol, propan 1,3 di ol, metyl xiclopropan tac dung voi
a, dd Br2
b, AgNO3/NH3
c,CuOH
Cau 3 Viet pguong trinh phan ung xay ra khi dun NaOH voi dung dich gom ; vinyclorua, benzenclorua
Cau4 Cho hon hop 11,96 g X gom 1 mol V va phenol , chia thanh 2 phan bang nhau
P1 cho tac dung vua du voi 100ml dd NaOH 0,4 M
P2 Cho tac dung 1 luong Na vua du thu duoc 784ml khi (DKTC)
a, xac dinh cong thuc phan tu cua V
b, V tac dung voi nuoc chi tao anken duy nhat , Xd CTCT cua V
c,Hien nay trong dan gian nguoi ta che bien ruou ancol etylic bang cach len men gao bang truyen thong, de thu duoc 46 lit ruou 25% thi can bao nhieu gam bot gao chua 80% tinh bot voi hieu suatcua quy trinh la 40%