Explain the following- Dilute Nitric acid is generally considered a typical acid but not so in its reaction with metals- Concentrated Nitric acid appears yellow when it is left standing in a glass bottle- All glass apparatus is used in the laboratory preparation of Nitric acid-

You visited us 6 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Chemistry

Uses of Nitric Acid

Explain the f...

Question

Explain the following
(ⅰ ) Dilute Nitric acid is generally considered a typical acid but not so in its reaction with metals.
(ⅱ) Concentrated Nitric acid appears yellow when it is left standing in a glass bottle.
(ⅱⅰ) All glass apparatus is used in the laboratory preparation of Nitric acid.

Open in App

Solution

Nitric acid
(ⅰ ) Dilute nitric acid is considered as typical acid except for its reaction with metals, because it do not liberate Hydrogen. Its a powerful oxidising agent, and nascent oxygen formed oxidises Hydrogen in water.
(ⅱ) The pure Nitric acid is colourless concentrated Nitric acid undergoes decomposition as it give reddish brown Nitrogen dioxide gas which when dissolved in the acid appear yellow in colour.
(ⅱⅰ) The apparatus used for the laboratory preparation of Nitric acid are made of glass , because the vapour of Nitric acid are highly corrosive. They attack rubber cork, plastics etc.
So dilute Nitric acid is not considered typical acid because it do not liberate Hydrogen.
Concentrated Nitric acid appears yellow because it decomposes Nitrogen dioxide in acid.
Due to corrosive nature of Nitric acid glass apparatus are used in laboratory.

Suggest Corrections

Similar questions

Q. (i) Dilute nitric acid is generally considered to be a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
(ii) Write the equation for the reaction of dilute nitric acid with copper.
(iii) Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.

Q. Give reasons for the following:
(i) In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
(ii) Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
(iii) Aluminium does not react with nitric acid of any concentration.
(iv) Conc. nitric acid renders iron passive.
(v) Nitric acid is used in purification of gold.
(vi) Aqua regia dissolves gold and platinum.
(vii) Nitric acid usually does not yield hydrogen from acids.
(viii) Lightning is a blessing in disguise.
(ix) Concentrated nitric acid is brown in colour.
(x) Concentrated nitric acid is a stronger oxidizing agent.

(a) Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?

(b) Write the equation for the reaction of dilute nitric acid and conc. nitric acid with copper.

Explain why

(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

(b) Nitric acid is kept in a reagent bottle for a long time.

Q. Explain the following :
i)

D i l . H N O_{3}

is generally considered a typical acid but not so in the reaction with metals.
ii) Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
iii) In the laboratory preparation of nitric acid an all-glass apparatus is used.

Join BYJU'S Learning Program

Explain the following(ⅰ ) Dilute Nitric acid is generally considered a typical acid but not so in its reaction with metals.(ⅱ) Concentrated Nitric acid appears yellow when it is left standing in a glass bottle.(ⅱⅰ) All glass apparatus is used in the laboratory preparation of Nitric acid.

Explain the following
(ⅰ ) Dilute Nitric acid is generally considered a typical acid but not so in its reaction with metals.
(ⅱ) Concentrated Nitric acid appears yellow when it is left standing in a glass bottle.
(ⅱⅰ) All glass apparatus is used in the laboratory preparation of Nitric acid.