Advertisements
Advertisements
Question
Write the balanced equation for the following:
Action of concentrated nitric acid on copper.
Advertisements
Solution
Action of concentrated nitric acid on copper-
\[\ce{Cu + \underset{\text{(Conc.)}}{4HNO3} -> Cu(NO3)2 + 2NO2 + 2H2O}\]
APPEARS IN
RELATED QUESTIONS
Name the gas that is produced in the given case:
The action of cold and dilute nitric acid on copper
What is aqua fortis?
- Write a balanced chemical equation for the laboratory preparation of nitric acid.
- In the preparation of nitric acid from KNO3, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
- Conc. nitric acid prepared in the laboratory is yellow in colour. Why? How is this colour removed?
- Give reasons for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly above 200°C.
In the preparation of nitric acid from KNO3 concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why?
Write a balanced equation and name the products formed when sodium hydrogen carbonate is added to nitric acid.
Write the balanced equation for the following:
Action of heat on AgNO3
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate condition(s) and underline it in your answer.
Copper and nitric acid react together to produce nitrogen dioxide.
Write equation to show the reaction between the following:
Copper and concentrated nitric acid.
Write balanced equation to show the reaction between the sulphur and hot concentrated nitric acid.
From the formulae listed below, Choose, one, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4, 7H2O.
On heating this, salt changes from green to black.
