
Reimer–Tiemann-like reaction of catechol with diiodomethane
2017年12月3日 · But CH2I2 undergoes displacement faster than a carbenoid species can arise from CH2I2. One might imagine the carbene "CHI" forming. If if it reacts with the negative …
Is there a commercial liquid with refractive index greater than two?
2019年8月18日 · One of the highest refractory index in liquids is $1.79~(\pu{20 °C})$ possessed by a solution of sulfur in methylene iodide $(\ce{CH2I2}).$ Liquids are less dense than solids …
organic chemistry - What determines the location of nucleophilic …
2023年10月21日 · In a conjugated ketone or aldehyde, nucleophiles could attack the double bond or the carbonyl carbon. I have two examples that differ in the location of initial attack, and I am …
intermolecular forces - Arrange these compounds: CO2, CH3OH, …
2014年8月11日 · Arrange these compounds: $\ce{CO2}$, $\ce{CH3OH}$, $\ce{RbF}$, $\ce{CH3Br}$ in order of increasing boiling points.
polarity - How can I tell if a molecule is polar or not? - Chemistry ...
2015年7月16日 · Every sufficiently asymmetric molecule will be polar, but some more than others. The polarity of molecules is related to the polarity of bonds within the molecule, but just having …
Dipole moment of CH2Cl2 and CHCl3 - Chemistry Stack Exchange
2017年3月24日 · In $\ce{CHCl3}$ the dipole moment of the $\ce{C-Cl}$ bond is towards $\ce{Cl}$. Since it has a tetrahedral geometry and the dipole moment is a vector quantity, the …
Why does CH3CH (OH)CH2CH3 give iodoform test?
The substrate you have provided (2-butanol) would indeed give a positive test. The iodoform test is performed in presence of iodine and potassium or sodium hydroxide, which first oxidizes the …
Products of Reimer–Tiemann reaction of 4-methylphenol
2014年2月9日 · The Reimer-Tiemann reaction is known as the ortho-formylation of phenols under strongly alkaline conditions.. It's not an addition of a carbene to a double bond, like the …
How to determine the order of boiling points and solubilities for ...
2013年3月24日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
organic chemistry - How do I find the hybridisation of the orbitals …
2014年2月10日 · For hydrocarbons, if the carbon atom forms only σ bonds, the orbitals of it will be sp 3 hybridised. If the carbon atom forms a π bond, its orbitals are sp 2 hybridised.