Question

Why water cannot be used as a solvent for ir spectroscopy?

Answer 1

Water cannot be used as a solvent for ir spectroscopy because:
1- Water has two strong infrared absorption peaks.

2- Water is a strongly polar solvent that dissolves the alkali halide disks commonly used for IR.

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Answer 2

Hello dear,

● IR spectroscopy -

• IR spectroscopy involves interaction between matter and infrared radiation.

● Water can't be used as solvent in IR spectroscopy because -

• If water is used as solvent in infrared spectroscopy, it shows two absorption peaks which misinterprets the results.
• Also, being a strong polar solvent, water disintegrates the discs involved.
• Therefore, water can't be used as solvent in IR spectroscopy.

Hope this helps you...