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AlCl3/HCl; NaOME, NaOAc/H3BO3
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∙ 10y ago
A shift reagent is used in UV spectroscopy to impart a specific shift in the absorption spectrum of a compound, allowing for better differentiation or identification of functional groups. It is often employed to enhance sensitivity or resolve overlapping peaks in a UV absorption spectrum.
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Explain the effect of shift reagent in uv on the molecular deposition of organic compound?
Shift reagents impact the position of nuclear magnetic resonance (NMR) peaks in a spectrum by interacting with specific functional groups. In UV-Vis spectroscopy, they do not directly influence the molecular deposition of organic compounds. Instead, they affect the electronic structure of the compound under study, leading to changes in the absorption characteristics observed in the UV spectrum.
Using dark-colored reagent bottles in storing some chemicals?
Dark-colored reagent bottles are used to help protect light-sensitive chemicals from degradation due to exposure to light. The dark color helps to block out light and prevent photodegradation. It is important to store light-sensitive chemicals in appropriate containers to maintain their stability and effectiveness.
What is the reagent of Pauly?
The reagent used in Pauly's reaction is α-naphthol and concentrated hydrochloric acid. This reagent system is used to test for the presence of indole-like compounds in organic molecules.
What is tollen's reagent and baeyer's reagent?
Tollen's reagent is a test used to detect the presence of aldehydes, as it produces a silver mirror when it reacts with aldehydes, but not with ketones or other compounds. Baeyer's reagent is a solution of potassium permanganate (KMnO4) used to oxidize and distinguish between primary and secondary alcohols. Primary alcohols are oxidized by Baeyer's reagent to form carboxylic acids, while secondary alcohols are oxidized to form ketones.
Lucas reagent is used to test what homologous series?
Lucas reagent is used to test alcohols for their reactivity. Specifically, it helps differentiate between primary, secondary, and tertiary alcohols based on the rate of reaction with the reagent.
What is hypochromicshift?
Hypochromic shift is observed in UV VISIBLE spectroscopy. This is the shift where the intensity of the absorption maxima is decreased
Is it wfi used for inplace of lal reagent water?
The LAL reagent water can be sterile WFI or other water that show reaction with the specific LAL reagent with which it can be used, at the limit of the sensitivity of such reagent.
What is the spraying reagent used for citric acid paper chromatography?
ninhydrin reagent
What is formed when phenol reacts with Hinsberg reagent?
Hinsberg reagent is used for amines.
The amount of a reagent present in a reaction that gets used up is called?
limiting reagent
What is a reagent bottle used for?
used to utilize chemicals
What is the difference of dropping bottle and reagent bottle?
The reagent bottle is not used for dropping, having only a common stopper.
What is a limititing reagent?
the one that is used up in the reaction
What is the etchant used for superalloy nimonic115?
marbles reagent or not...
What reagent is used to test for NaCl?
To determine the concentration of salt a salinometer can be used.
What is Brady reagent?
Brady reagent is a mixture of 2,4-dinitrophenylhydrazine, methanol and sulfuric acid used to check the double bond carbon-oxygen.
What is the Baeyer s reagent?
Baaeyer reagent is used to identify double or triple bonds in organic compounds. The reagent is a cold solution of 1 % potassium permanganate in water containing also 10 % sodium carbonate.
