Advertisements
Advertisements
प्रश्न
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
Advertisements
उत्तर
Aluminum does not react with nitric acid of any concentration because of the formation of extremely thin, unreactive, protective layer of insoluble metallic oxide on the surface of aluminium which stops further reaction.
APPEARS IN
संबंधित प्रश्न
Name the products formed when dilute HNO3 is added to copper.
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
What happens when
Common salt solution is added to silver nitrate solution and NH3 solution add to it.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
From the following list of substances, choose one substance in the case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A Substance that gives off only oxygen when heated.
