A carbon solid acid catalyst was prepared by the sulfonation of partially carbonized peanut shell with concentrated H2SO4. The structure and acidity of the catalyst were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, thermogravimetric analysis, X...
Complete the following reaction: CHO H2SO4 Using the chromate/dichromate reaction, to answer the following questions. 2CrO_4^{2-} (aq) + 2 H^+ (aq) \to Cr_2O_7^{2-} (aq) + H_2O (l) a) If more acid is added to the reaction would the solution remain yellow o...
By practical reasons, the value fHOM was set equal to fH2SO4,exp = 1.85 × 109 molecules cm−3 obtained from the absolute H2SO4 calibration using (HNO3)nNO3-, n = 0,1,2 as the reagent ions (Berndt et al., 2014). The value fHOM = fH2SO4,exp = 1.85...
2.中南民族大学化学与材料科学学院催化材料湖北省重点实验室,湖北武汉430074)摘要:以2,3-二氰基-1,4-二硫杂环己烯为原料,钼酸铵为催化剂,在七水硫酸亚铁存在(或不存在)下,用干熔法合成了四-(对-二硫杂环己烯)-四氮杂卟啉铁配合物[FePZ(dtn)4]和它的自由配体[H2PZ(dtn)4],产率分别为81.3%和80.2%...
The kinetics of the reaction of cyclohexene (CH) with an excess of H2O2 in acetonitrile (AN) at 293 K was studied at variable concentrations of H2O2 (1.7-13 M ), water (1.6-13 M ), acids HX (0.2-1.4 M ), and salts NaX (0-1.7 M ), with HXHClO4, H2SO4, HNO3, HPF6, p -...
The kinetics of the reaction of cyclohexene (CH) with an excess of H2O2 in acetonitrile (AN) at 293 K was studied at variable concentrations of H2O2 (1.7–13 M), water (1.6–13 M), acids HX (0.2–1.4 M), and salts NaX (0–1.7 M), with HXHClO4, H2SO4, HNO3, HPF6, p-...
The use of the IL-H-2?-H2SO4 system is found to be inappropriate for cyclohexanone synthesis because of the formation of byproducts of cyclohexene conversion.Efremov, G. E.Bovyrina, E. A.Podtyagina, A. V.Oshanina, I. V.Temkin, O. N....
Method for obtaining Derivatives of cyclohexene - naProcedure for obtaining Derivatives of ciclihexenona. Nitrar comprises: (a) a Derivative of ciclohexenona City (ii) with a mixture of H2SO4 and no3h, to obtain a c.d.f. (iii); (b) treat (iii) with an aqueous solution of ...
with H2SO4 at 0-60 degrees C and neutralising with NaOH to form the sodium sulphate ester of n-octyl-hydroxypolyalkoxymethyl cyclohexane.BLOCH HERMAN SAMUEL
The role of homogeneous catalysts such as 50% aqueous solution of p-toluenesulfonic acid (PTSA) and 98% H2SO4 was also assessed. This reaction is unique in that a substantial amount of cyclohexyl phenyl ether is formed at lower temperature, which may well have good perfumery value. Amberlyst...