Advertisements
Advertisements
प्रश्न
State one observation for the following:
Concentrated nitric acid is reacted with sulphur.
उत्तर
Concentrated nitric acid is strong oxidising agent; it oxidises the sulphur to sulphuric acid along with the water and nitrogen dioxide
\[\ce{S + 6HNO3 -> H2SO4 + 2H2O + 6NO2}\]
APPEARS IN
संबंधित प्रश्न
Correct the following, if required:
\[\ce{HNO3}\] is a strong reducing agent.
Fill in the blank:
Aqua regia is a mixture of 3 parts ------------ and one part ------------.
Fill in the blank:
The catalytic oxidation of ammonia to nitric oxide is ------------. (exothermic / endothermic)
process.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Dilute hydrochloric acid and dilute sulphuric acid. (Using lead nitrate solution)
Complete the following equations :
3 Cu + dil. HNO3
How does nitric acid formed in the atmosphere?
What is meant by the following terms?
Aqua Fortis
State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Calcium nitrate [ small amount __________ in excess __________ ]
State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Zinc nitrate [ small amount ________ in excess ________]
Differentiate between the following pairs based on the odourless gas which turns lime water milky and the criteria given:
Sulphuric acid and Nitric acid (using barium chloride solution)