What Molecule Is Used as a Reference for NMR Spectroscopy

question 78

Multiple Choice

What molecule is used as a reference for NMR spectroscopy?

• A)trimethylsilane
• B)tetramethylsilane
• C)trimethylsilane chloride
• D)trimethylsilane oxide

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Common Cold

The common cold is a viral infectious disease of the upper respiratory tract that primarily affects the nose.

Influenza

An extremely infectious virus that targets the respiratory tract, widely referred to as influenza.

Allergy

An immune system response to a foreign substance that's not typically harmful to the body.

Chronic Obstructive Pulmonary Disease

A group of lung diseases that block airflow and make it difficult to breathe, including emphysema and chronic bronchitis.