What Would You Observe in the Following Case: Copper is Heated with Concentrated Nitric Acid in a Hard Glass Test Tube.

What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.

One Line Answer

Brown fumes of nitrogen dioxide are produced. Copper reacts with concentrated nitric acid to produce copper nitrate, water and nitrogen dioxide.

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Laboratory Preparation of Nitric Acid

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Chapter 10: Study of Compounds: Nitric Acid - Exercise 6 [Page 240]

Chapter 10 Study of Compounds: Nitric Acid
Exercise 6 | Q 5 | Page 240

What is passive iron?

Name the products formed when dilute HNO₃ is added to copper.

Name a solution which absorbs nitric oxide.

Name the following :
Gas produced in air during lighting.

Can we use conc. HCl in place of Conc. H₂SO₄ ?

Give reason for the following:
Aluminum does not react with nitric acid of any concentration.

What happen when (Given balanced equation):
Limestone reacts with nitric acid?

Complete and balance the following equation :
Pt + HNO₃ + HCl → ___________

Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.

Write the equation for the reaction of dilute nitric acid with copper.