The technique of gas liquid chromatography is suitable for compounds which are
A.Soluble in water
B. Highly volatile
C.Vaporize without decomposition

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Gas chromatography is an analytical technique used to separate the chemical components of a sample mixture and then detect them to determine their presence or absence and / or how much is present. In gas chromatography, the mobile phase (or moving phase) is a carrier gas , usually an inert as such as helium or an unreactive gas such as nitrogen

Complete step by step answer:
- Gas chromatography is most commonly used for the separation and analysis of compounds that can be vaporized without decomposition.
- Whereas, Gas liquid chromatography runs on the principle of partition. In GLC the components of vaporize samples are fractionated due to partition between a gaseous mobile phase and a liquid stationary phase held in the column.
- So, this is a fast separation of complex mixtures and allows for quantitative determination of each compound.

Hence, option C is correct.

Additional information
In gas liquid chromatography,
1.Analyte (sample) is brought in by the syringe into a heated injection chamber.
2.Nitrogen gas ( inert ) flows through carrying sample into the column
3.Column has thin film or liquid
4.After separation the carried gas and separate mixture flows in detector which activates a recorder
5.Traces a series of peaks on chromatogram

Carrier gas is an inert gas used to carry samples. Helium and nitrogen are most commonly used and the use of helium is desirable when using a capillary column.