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A broad peak in an infrared (IR) spectrum can provide information about the presence of functional groups with hydrogen bonding or multiple types of bonds. It can indicate the presence of molecules such as alcohols, carboxylic acids, or amines.

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In an infrared spectrum, where would you find a strong CO peak?

In an infrared spectrum, a strong CO peak would typically be found around 1700 cm-1.


What is the significance of the alkene stretch IR peak in the analysis of organic compounds?

The alkene stretch IR peak is significant in the analysis of organic compounds because it helps identify the presence of carbon-carbon double bonds in a molecule. This peak appears at a specific wavelength on an infrared spectrum, providing valuable information about the structure and composition of the compound being analyzed.


Where does water show up in a proton NMR spectrum?

In a proton NMR spectrum, water typically appears as a broad signal around 1-2 ppm due to solvent effects. To avoid interference from the water peak, deuterated solvents like deuterium oxide (D2O) are often used to dissolve samples for NMR analysis.


Why could the IR spectrum of a sample which is contaminated with water lead to an erroneous conclusion that the compound is an alcohol or a phenol?

Water can give a broad peak in the IR spectrum in the same region as the hydroxyl (OH) stretch of alcohols and phenols, leading to confusion. This overlap can result in misinterpretation of the peak as being due to the presence of an alcohol or phenol group when it is actually from water contamination. It is important to ensure the sample is properly dried before analyzing it to avoid this issue.


What are the characteristic features of an NH stretch in an infrared (IR) spectrum?

The characteristic features of an NH stretch in an infrared (IR) spectrum are a strong and sharp peak typically observed between 3300-3500 cm-1. This peak indicates the presence of a nitrogen-hydrogen bond in the molecule being analyzed.

Related Questions

How do you define a peak in a mass spectrum?

A peak in a mass spectrum is a wavelength or frequency that shows a much greater intensity than the surrounding values.


What Is a small band within a very broad electromagnetic?

A wavelength is a small band within a very broad electromagnetic spectrum. It represents the distance between two corresponding points on a wave, such as peak to peak or trough to trough. Different wavelengths are associated with different types of electromagnetic radiation, such as visible light, radio waves, and X-rays.


What information can you learn about a celestial object just by measuring the peak of its black-body spectrum?

By measuring the peak of a celestial object's black-body spectrum, you can determine its temperature. The peak wavelength or frequency is inversely proportional to the temperature of the object. This measurement helps in understanding the object's physical properties and can provide insights into its composition and behavior.


In an infrared spectrum, where would you find a strong CO peak?

In an infrared spectrum, a strong CO peak would typically be found around 1700 cm-1.


Where does the peak wavelength emitted by the Sun fall in the electromagnetic spectrum?

The peak wavelength emitted by the Sun falls in the visible spectrum, specifically in the green part of the spectrum around 500 nm. This is why the Sun appears yellow-white to our eyes.


What is important about the peak wavelength of a thermal radiation spectrum?

The peak wavelength, is connected to the temperature of the objects. we have short peak wavelength when the temperature is high.


What uv spectrum peak for caffeine from tea?

276 nm


Light frequency from an incandescent lamp depends on what?

The light frequency from an incandescent lamp depends on the temperature of the filament. As the filament heats up, it emits a broad spectrum of light that includes all visible frequencies.


Land with a broad base that rises sharply into a peak from the land around it?

A mountain is a land form with a broad base that rises sharply into a peak. It is a large natural elevation of the surface of the Earth.


How tall is Mount Broad Peak?

8,051 meters or 26,414 feet.


What mountain peak higher than the alps was discovered in 1957?

broad peak located in pakistan/china 26.400 ft


What can be determined by studying a solar spectrum?

Dark lines of the absorption spectrum give the elemental composition of the chromosphere, information about the magnetic field and density of the surface. The peak of the continuous spectrum gives the surface temperature. The Doppler Effect shows the movement of the sun and the sun's surface. Splitting of spectral lines verifies the magnetism of sunspots.