Which of the following formula represents laughing gas?
Which of the following formula represents laughing gas?
$\mathrm{N}_{2} \mathrm{O}$
$\mathrm{N}_{2} \mathrm{O}_{5}$
$\mathrm{~N}_{2} \mathrm{O}_{4}$
$\mathrm{~N}_{2} \mathrm{O}_{3}$
Solution
Nitrous oxide, also known as dinitrogen oxide or dinitrogen monoxide with chemical formula $\mathrm{N}_{2} \mathrm{O}$.
It is commonly known as laughing gas.
Under room conditions it is a colourless nonflammable gas, with a pleasant slightly sweet odour.