Advertisements
Advertisements
प्रश्न
Write the equation for the reaction of dilute nitric acid with copper.
Advertisements
उत्तर
\[\ce{3Cu + \underset{(Nitric oxide)}{8HNO3} -> 3Cu(NO3)2 + 4H2O + 2NO}\]
संबंधित प्रश्न
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
Can we use conc. HCl in place of Conc. H2SO4 ?
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
Write a balanced equation for following :
Laboratory preparation nitric acid.
X, Y and Z are three crystalline solids that are soluble in water and have a common anion.
To help you to identify X, Y and Z, you are provided with the following experimental observations. Copy and complete the corresponding inferences in (a) to (e).
- A reddish-brown gas is obtained when X, Y and Z are separately warmed with concentrated sulphuric acid and copper turning added to the mixture.
INFERENCE 1: The common anion is the ______ ion. - When X is heated, it melts and gives off only one gas which re-lights a glowing splint.
INFERENCE 2: The cation in X is either ______ or ______. - The action of heat on Y produces a reddish-brown gas and yellow residue which fuses with a glass of the test tube.
INFERENCE 3: The metal ion present in Y is the ______ ion. - When Z is heated, it leaves no residue. Warming Z with sodium hydroxide solution liberates a gas which turns moist red litmus paper blue.
INFERENCE 4: Z contains the ______ cation. - Write the equations for the following reactions:
- X and concentrated sulphuric acid (below 200°C). (One equation only for either of the cations given in INFERENCE 2)
- The action of heat on Y.
- Concentrated nitric acid is added to copper turnings kept in a beaker.
