What happens when ferric chloride is dissolved in water?
2019年11月19日 · Ferric chloride can be prepared by dissolving hematite in hydrochloric acid: $$\\ce{Fe2O3 + 6HCl -> 2FeCl3 + 3H2O }\\tag{1}$$ But the resulting ferric chloride will be …
三氯化铁是什么晶体?为什么？ - 知乎
是共价晶体，分子晶体，这两个关系是什么，如何理解其杂化方式。还是说FeCl3是离子晶体，但它的带结晶水的形式FeCl3*xH2O才是分子晶体？谢谢！ 显示全部
Neutral FeCl3 Test - Chemistry Stack Exchange
2020年12月31日 · $$\ce{FeCl3 + 3RCOOH ->[excess NH4OH] (RCOO)3Fe + Fe(OH)3 \downarrow}$$ If the solution is acidic; If the solution is acidic (little ammonia is added), …
为什么酚羟基可与FeCl3溶液发生显色反应？ - 知乎
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organic chemistry - The main difference between using AlCl3 and …
2020年9月5日 · What is the main difference between using $\\ce{AlCl3}$ and $\\ce{FeCl3}$ in Friedel-Crafts alkylation? Is that $\\ce{FeCl3}$ disfavors carbocation rearrangement in Friedel …
bond - Why is FeCl3 covalent? - Chemistry Stack Exchange
2017年2月23日 · usually when metal is bonded to a non-metal, they are bonded together by ionic bond but this is not the only condition , the more important condition is the electronegativity …
Why would a solution of FeCl2 appear brown/yellow sort of like …
2017年6月6日 · The yellow/brown color you are seeing in the solution of $\ce{FeCl2}$ is due to formation of various types of hydrated iron oxide and not iron(III) chloride.
inorganic chemistry - why does FeCl₃ have such a specific smell ...
2013年10月13日 · The only clue I have been able to find is a one-off sentence in the Wikipedia article for $\ce{FeCl3}$, for which no reference is given: Iron(III) chloride undergoes hydrolysis …
Which Phenols give the colours blue, green or violet in the neutral ...
2016年10月31日 · I have read about the neutral FeCl3 test for Phenols, where a positive test is indicated by the colour of the solution which ranges from green to blue to violet. But which …
三氯化铁显色反应？ - 知乎
2,4-戊二酮可以与三氯化铁发生显色反应吗?什么原理呢?不是说有稳定烯醇式结构才与三氯化铁发生显色反应吗?