C6H14(гексан) ---->C6H12 (циклогексан)---->C6H6(бензол)
I I
I I
C6H12Cl2(дихлогексан)
................................................................
№4
m(CH3COOH)=21г*0,2=4,2г
n=4,2г*(24+32+4)=0,07моль
CH3COOH+C2H5OH->CH3COOC2H5+H2O
соотн. 1к1
m(C2H5OH)=0,07моль*(24+16+6)=3,22г
С пропандиолом из пропена(Рц Вагнера)
CH2=CH-CH3+H2SO4+KMnO4->CH2(OH)-CH(OH)-CH3+MnO2+KOH
№3
CaC2+H2O->C2H2+CaO
C2H2+H2->C2H4
C2H4+HCl->C2H5Cl(A)
C2H5Cl+NaOH->C2H5OH+NaCl(нз как получить C2H4ClOH)
<span>S -> SO</span><span>₂ </span><span>-> SO</span><span>₃ </span><span>-> H</span><span>₂</span><span>SO</span><span>₄ </span><span>-> CuSO</span><span>₄</span>
<span> </span>
<span>1)S + O₂ =(</span><span>при</span><span><span>t)= SO₂</span></span>
<span>2)2SO₂ + O₂ =(</span><span>при</span><span><span>t, </span></span><span>катал</span><span>)= 2SO₃</span>
<span>3)SO₃ + H₂O = H₂SO₄</span>
<span>4) 2H₂SO₄(</span><span>к</span><span>) + Cu = CuSO₄ +SO₂</span><span>↑</span><span> + 2H₂O</span>