State, What is Observe When Nitric Acid is Kept in a Reagent Bottle for a Long Time. - Chemistry

State, what is observe when nitric acid is kept in a reagent bottle for a long time.

One Line Answer

If nitric acid is kept in a bottle for long time then it will become brown in colour.

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Laboratory Preparation of Nitric Acid

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Chapter 9.2: Nitric Acid - Exercise 5 [Page 239]

Chapter 9.2 Nitric Acid
Exercise 5 | Q 9 | Page 239

Ammonia is used in the Ostwald process.

Name the catalyst used in the process.

The nitrate salt which does not give a mixture of NO₂ and O₂ on heating is ______.

What is meant by the following term?

Decrepitation

What is the purpose of Conc. H₂SO₄ in the above preparation?

Give reason for the following:
Concentrated nitric acid is brown in colour.

What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO₃?

What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?

Complete and balance the following equation :
C + HNO₃ → ___________

Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________

Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.