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  • On mixing two colourless gases, a deep brown colour is observed. The gases areOption: 1 <img alt="\mathrm{N}_{2} \mathrm{O}\; \text{and}\; \mathrm{O}

On mixing two colourless gases, a deep brown colour is observed. The gases are

Option: 1

\mathrm{N}_{2} \mathrm{O}\; \text{and}\; \mathrm{O}_{2}
 


Option: 2

\mathrm{NO}\text{ and }\mathrm{O}_{2}


Option: 3

\mathrm{N}_{2} \mathrm{O}_{3}\text{ and }\mathrm{O}_{2}


Option: 4

None of these


Answers (1)

Nitric Oxide reacts with oxygen gas to form reddish brown nitrogen dioxide.

\\2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\\

                        \: \: \: \text {(Deep brown gas)}

Hence, the correct answer is Option (2)

Posted by

Ramraj Saini

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