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प्रश्न
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
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उत्तर
(i) A = Sulphuric acid, B = potassium nitrate, C= nitric acid
(ii) \[\ce{4HNO3 -> 4NO2 + 2H2O + O2}\]
(iii) \[\ce{Cu + 4HNO3 ->[\Delta] Cu(NO3)2 + 2NO2 + 2H2O}\]
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संबंधित प्रश्न
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
How will you prepare the following from nitric acid?
copper nitrate
Name a metal nitrate which on heating is changed into metal oxide.
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
Give reason for the following:
Nitric acid is used in purification of gold.
Fill in the blank with appropriate word/words.
98% nitric acid is obtained by distilling 68% nitric acid with ________ under ______
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
What happens when
NH3 solution is added to CuSO4 solution drop by drop and then in excess.
