Advertisements
Advertisements
प्रश्न
How will you prepare the following from nitric acid?
Aqua regia
Advertisements
उत्तर
A mixture of 3 parts conc. HCl and one part conc. HNO3 is called aqua regia. It gives nascent chlorine and can dissolve gold and platinum [noble metals].
\[\ce{HNO3 + 3HCl -> NOCl +2H2O +2[Cl]}\]
APPEARS IN
संबंधित प्रश्न
Explain with the help of a balanced equation the brown ring test for nitric acid.
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Fill in the blank with appropriate word.
Furning nitric acid is obtained by dissolving an excess of _______ in conc. Nitric acid
Write a balanced equation for the production of nitrogen dioxide using copper.
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Write the equation for the reaction of dilute nitric acid with copper.
Write the equation for the reaction:
Aluminium nitride and Water.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Lead nitrate decomposes on heating to give ______.
What is the property of nitric acid which allows it to react with copper?
