In which of the following ways can chemiluminescence occur in compounds of nitrogen?

When NO2 returns to ground state from excited state

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1.	West-Gaeke colorimetric method is used to analyse oxides of nitrogen.
A.	True
B.	False
Answer» C.

Discussion

2.	In which of the following ways can chemiluminescence occur in compounds of nitrogen?
A.	When NO<sub>2</sub> returns to ground state from excited state
B.	When NO reacts with oxygen
C.	When NO reacts with ozone
D.	When NO<sub>2</sub> is reduced to NO
Answer» B. When NO reacts with oxygen

Discussion

3.	In Saltzman method, which of the following are formed when air containing NO₂ is passed in an absorbing solution consisting of the sulphanilic acid and diamine dissolved in the acetic acid medium?
A.	Blue colour dye complex
B.	Green colour dye complex
C.	Pink colour dye complex
D.	Orange colour dye complex
Answer» D. Orange colour dye complex

Discussion

Explore topic-wise MCQs in Analytical Instrumentation.

West-Gaeke colorimetric method is used to analyse oxides of nitrogen.

In which of the following ways can chemiluminescence occur in compounds of nitrogen?

In Saltzman method, which of the following are formed when air containing NO2 is passed in an absorbing solution consisting of the sulphanilic acid and diamine dissolved in the acetic acid medium?

In Saltzman method, which of the following are formed when air containing NO₂ is passed in an absorbing solution consisting of the sulphanilic acid and diamine dissolved in the acetic acid medium?