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Which of the following organic compounds will have the highest intensity of response when introduced in a flame ionization detector?(a) Methane(b) Ethane(c) Propane(d) ButaneI had been asked this question in an interview for job.My doubt is from Estimation of Hydrocarbons topic in section Pollution Monitoring Instruments of Analytical Instrumentation

Answer»

Correct choice is (d) Butane

Best EXPLANATION: Butane will have the HIGHEST intensity of response when introduced in a flame ionization detector. This is because the intensity of response will be in PROPORTION with the number of CARBON ATOMS in the chain.



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