A)2C4H9Cl+2Na=C8H18+2NaCl(t) б)2H3C-CH(CH3)-CH2Cl+2Na=H3C-CH(CH3)-CH2-CH2-CH(CH3)-CH3+2NaCl(t) в)2H3C-CH(CH3)Cl+2Na=H3C-CH(CH3)-CH(CH3)-CH3+2NaCl(t)