Chemical Engineering - Process Control and Instrumentation - Discussion


Pick out the wrong statement.

[A]. O2, NO and NO2 exhibit paramagnetic properties as a result of unpaired electrons.
[B]. CO2 is the strongest paramagnetic gas.
[C]. Paramagnetic susceptibility of gases decreases with temperature.
[D]. Paramagnetic susceptibility of gases permits the measurement of their concentration.

Answer: Option B


No answer description available for this question.

Bhavik said: (Mar 13, 2019)  
In analytical instrumentation, we consider o2 as a reference for paramagnetic analyser and we consider relative susceptibility of paramagnetic gases for analysis.

O2 has susceptibility of 100.

And CO2 has 0.01 so, the strongest paramagnetic is o2 not CO2.

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