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Reaction of Acids and Bases with Metals

State which o...

Question

State which of the following methods is generally used for preparing the $C u (N O_{3})_{2}$ salts.
1: Neutralisation-insoluble base & dilute acid.
2: Neutralisation-alkali & dilute acid.
3: Simple displacement-active metal & dilute acid.
4: Direct combination.
5: Precipitation [double decomposition].

A

1

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B

2

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C

3

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D

4

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Solution

The correct option is C 3
Copper reacts with nitric acid to form copper nitrate.

$3 C u + 8 H N O_{3} \to 3 C u (N O_{3})_{2} + 4 H_{2} O + 2 N O$

Hence, the correct option is simple displacement-active metal & dilute acid.

Hence, the correct option is $(C)$

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2: Neutralisation-alkali & dilute acid.

3: Simple displacement-active metal & dilute acid.

4: Direct combination.

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Q. Which of the following methods is generally used for preparing

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Q. STATE WHICH OF THE FOLLOWING METHODS IS GENERALLY USED FOR PREPARATION OF THE SALTS 1-5 GIVEN BELOW:
A. Neutralisation (insoluble base and dilute acid)
B. Neutralisation (Alkali and dilute acid)
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