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Which of the following happens to the magnetic susceptibility of gases when the temperature changes?

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Which of the following happens to the magnetic susceptibility of gases when the temperature changes?

(a) It increases with increase in temperature

(b) It decreases with increase in temperature

(c) It remains constant with increase in temperature

(d) It remains constant with decrease in temperature

The question was asked in a job interview.

My doubt is from Paramagnetic Oxygen Analyser topic in section Industrial Gas Analysers of Analytical Instrumentation

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The correct answer is (b) It decreases with increase in temperature

To explain: Magnetic susceptibility of gases decreases with increase in temperature. Magnetic susceptibility of oxygen decreases with increase in temperature.

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