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Which of the following organic compounds will have the highest intensity of response when introduced in a flame ionization detector?

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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) Butane

I 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

1 Answer

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Best 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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