【题目】酒石酸是葡萄酒中主要的有机酸之一,它的结构式为HOOCCH(OH)CH(OH)COOH(简写为2$$ H _ { 2 } R $$).已知: $$ 2 5 ^ { \cir c } C $$时,$$ H _ { 2 } R $$和$$ H _ { 2 } C O _ { 3 } $$的电离平衡常数如表。下列说法正确的是()化学式 $$ H _...
【题目】有机物H是重要的有机化工原料,以苯酚为原料制备H的一种合成路线如下:ACH.IFe回OHHClNHCOCH③CH.ONa⑤CH,OHHOOCCHBrCOOHHFC
(1)B为CH3COOH,D为-|||-,二者发生酯化反应生成F为-|||-,该反应方程-|||-CH2OOCCH3-|||-CH,OH-|||-浓硫酸-|||-式为CHCOOH+-|||-△-|||-+HO,故答案为:-|||-CH2OOCCH3-|||-OH-|||-浓硫酸-|||-CHCOOH+-|||-A-|||-+H20;-|||-('-CE1'(C11-|||-②)通过以、上分析知,X...
葡萄糖酸钙是一种常用的药物,临床上用于治疗骨质疏松症。某实验室对葡萄糖酸钙的制备工艺进行研究,先以葡萄糖[CH_2OH(CHOH)_4CHO]和H_2O_2为原料制备葡萄糖酸[CH_2OH(CHOH)_4COOH],再用葡萄糖酸与碳酸钙反应制备葡萄糖酸钙。已知:30% H_2O_2溶液的密度为1.1g⋅ cm^(-3),回答下列问题:...
H02N▱-▱-▱=▱8_2 H5)以苯甲醇为原料制备化合物00 可由CHCOOH发生酯化反应得到▱-▱_▱=CO_2 OH可由QHCHCN水解得到,苯甲醛和HCN发生加成反应得到HCHCN,苯甲醇发生氧化反应生成苯甲醛,其合成路线为CHOHCHOHOOHC/0HCN5^(mon)=5^n 疏酸化剂强化剂△故答案为:...
( CH_3COOH) 转化率之和刚好为( 1),容器Ⅲ温度低于容器( I),正反应为放热反应,温度降低对正反应有利,所以容器Ⅲ中( CH3COOH)转化率低于容器Ⅰ以等量( CH_3COOH)起始时的( CH_3COOH)转化率,所以达平衡时,容器( I)中( CH_3OH) 转化率与容器( III)中( CH_3COOH) 转化率之和小于( 1),故...
aCH3CH(OH)CN +bH2O +cHCl =dCH3CH(OH)COOH +fNH4Cl Step 2: Create a System of Equations Create an equation for each element (C, H, O, N, Cl) where each term represents the number of atoms of the element in each reactant or product. ...
also occurred for CuMnOS-0 with the yield of 2.17 mmol·g− T1h50e WineHffeaclotigveennleasms opfvpishiobtloe-iilnludmuicneadtieolenc,ttrhoenH-h2oylieelpdadiresguranddeedr lyniigoehtldtinifliulturiatmhteeidnr abdtyeiogtrnhaefdoeerldeHctot2ro1p.nr2o/0hd moulcmeticoohln·...
However, in the case of ACF (Fig. 3B) the peak at 3400 cm−1 is small and this corresponds to stretching and bending modes of H bonded –COOH group40. The peaks at 2897 cm-1 and 2822 cm-1 are assigned for C–H AsstotuCrrtefFhtacecaheani.dndTsghoZvrerib...
a2d6v8e4n,t connected to Al+3/1617 cm−1, C = O of and (200) at 2θ = 7.4 and 8.4˚ are revealed in XRD patterns of UiO- peaks in FT-IR spectra of MIL-121 (Fig. 3a) are assigned as follows: 2545 cm−1, -COOH with hydrogen free -COOH/1666, 1759...