in not given

in benzene byproducts: CO2; (Ar); reacting germanium compd. with peroxides in benzene at 50°Cfor 1 h;

in benzene byproducts: O2, tert-butanol; under Ar; peroxide and titanium and germanium compds. in benzene at 20°C;

in tetrachloromethane byproducts: O2, acetone, tert-butanol; under Ar; addn. of peroxide to soln. of aluminum and germanium compds. in CCl4, stirred at room temp. for 30 min; qualitative analysis, chromy. detection, iodometric titration;