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

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 10: Study of Compounds: Nitric Acid - Exercise 5 [Page 239]

Chapter 10 Study of Compounds: Nitric Acid
Exercise 5 | Q 9 | Page 239

Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper

Explain the following:

Concentrated nitric add appears yellow when it is left standing in a glass bottle.

Ammonia is used in the Ostwald process.

Give the sources of reactants used in this process.

What is meant by the following term?

Decrepitation

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

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

Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.

When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?

Balanced equation of oxidation of carbon with concentrated HNO₃

Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.