CH4+Cl2-->CH3Cl+HCl (hv)
2CH3Cl+2Na-->C2H6+2NaCl
C2H6+Cl2-->C2H5Cl+HCl (hv)
C2H5Cl+CH3Cl+2Na-->C3H8+2NaCl
Нет.................................................................
а)<span>2Ca + O2 = 2CaO</span>
<span>б)<span>2Na + 2H2O = 2NaOH + H2</span></span>
<span><span>в)<span>Cu(OH)2 = CuO + H2O</span></span></span>
<span><span><span>г)<span>2LiOH = Li2O + H2O</span></span></span></span>
<span><span><span><span>д)<span>Mg + H2SO4 = MgSO4 + H2</span></span></span></span></span>
<span><span><span><span><span>е)<span>Zn + CuSO4 = ZnSO4 + Cu</span></span></span></span></span></span>
<span><span><span><span><span><span>ж)-</span></span></span></span></span></span>
1.Соль слабого основания (Ni(OH)2) и сильной кислоты (HNO3). Гидролиз по катиону. Среда кислая.
Ni(NO3)2 + H2O = (NiOH)NO3 + HNO3
Ni2+ + H2O = NiOH+ + H+
(NiOH)NO3 + H2O = Ni(OH)2 + HNO3
<span>NiOH+ + H2O = Ni(OH)2 + H+
2 точно такое же(подобие)</span>