6. Suppose that0.500 of an organic compound X(containing only carbon, hydrogen and oxygen) produces0.733 of carbon dioxide and0.300 of water on complete combustion.What is Empirical Formula? 相关知识点: 试题来源: 解析 CH2 通过燃烧产生的二氧化碳和水的质量,可以计算出有机物中碳和氢的质量。根据...
【题目】Australian scientists say an organic compound(复合物) used by Indian women to paint dotsor bindi on their foreheads could hold the keyto a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as adye for food, textiles and cosmetics. But nowit is ...
Most chemical reactions of an organic compound involve only a few of its numerous atoms; the remainder stay unchanged. A. majorityB. distributionC. restD. stability 相关知识点: 试题来源: 解析 C [解析] remainder和rest都表示“其余、其他”;majority:多数、半数以上;distribution:分配物、分配;st...
aThe introduction of an organic compound, namely anthraquinone-2-sulphonic acid (AQ), is proposed to improve the dissolution kinetics during the cyanidation of gold. The major advantage of this reagent is that it is able to act as an additional and recyclable oxidizing agent, with the result ...
A process of the present invention produces an organic compound by allowing a compound containing an electron attractive group of following Formula (1): wherein Y is an electron attractive group; and R and R are each a hydrogen atom or an organic group, where Y, R and R may respectively...
38 An organic compound S has the following reactions:. neutralises sodium hydroxide. decolourises aqueous bromine Which structure represents S?B=C—工-O -H Al占舌H1 C - C -O -H BC=A CH-—古H∧H |-O -H DH一一H C -O -H古 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
Which of the following functional groups can make an organic compound acidic? A. -OH in alcohols B. -OH in phenols C. -CHO D. -C≡C - 相关知识点: 试题来源: 解析 B。解析:酚类中的 -OH(羟基)能使有机物呈酸性,这是因为酚羟基上的氢较活泼。醇中的 -OH不能使有机物呈酸性。 -CHO(...
The main reason why an organic compound is vital is that ___.相关知识点: 试题来源: 解析 it consistently cures a specific deficiency diseaseit consistently cures a specific deficiency disease 解析:文章第二自然段第一句说明此点。作为有机化合物的蛋白质总能治愈营养缺乏症。反馈 ...
百度试题 结果1 题目1.1 An atom or a group of atoms that gives an organic compound its chemical properties(1) 相关知识点: 试题来源: 解析 Functional group/ Funksionele groep 反馈 收藏
In this work, we present an innovative approach to investigate the structure and the reactivity of a molecularly dispersed organometallic compound. The poly(4-ethylstyrene-co-divinylbenzene) microporous system (PS) is used as "solid solvent" able to molecularly disperse CrCp2, allowing: (i) its...