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Tests for Nitric Acid

Copper reacts...

Question

Copper reacts with dilute nitric acid and liberates ........... .

A

Nitrogen dioxide

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B

Nitric oxide

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C

Nitrogen pentoxide

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D

Nitrous oxide

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Solution

The correct option is B Nitric oxide
Copper reacts with dilute nitric acid and liberates nitric oxide.
$3 C u + 8 H N O_{3} \to 3 C u (N O_{3})_{2} (+ 2 N O ↓ N i t r i c o x i d e) + 4 H_{2} O$

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Similar questions

Q. Cold, dilute nitric acid reacts with copper to form _____ (hydrogen, nitrogen dioxide, nitric oxide).

Q. Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, Nitrogen dioxide, Nitric oxide, Sulphuric acid)
(i) Cold, dilute nitric acid reacts with copper to give ____________.
(ii) Hot, concentrated nitric acid reacts with copper to form ____________.

Which gas is liberated when zinc reacts with dilute nitric acid?

Q. Write balanced equation and name the products formed when:
(a) sodium hydrogencarbonate is added to nitric acid.
(b) cupric oxide reacts with nitric acid.
(c) zinc reacts with dilute nitric acid.
(d) concentrated nitric acid is heated.

Q. Write balanced equations and name the products formed when:
(a) Sodium hydrogen carbonate is added to nitric acid
(b) cupric oxide reacts with nitric acid
(c) zinc reacts with dilute nitric acid
(d) concentrated nitric acid is heated

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