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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Write the net ionic equation and identify the spectator ion or ions in the reaction of nitric acid and magnesium hydroxide. What type of reaction is this?

2 H3O+(aq) + 2 NO3(aq) + Mg(OH)2(s) 4 H2O() + Mg2+(aq) + 2 NO3(aq)

Interpretation Introduction

Interpretation:

  • Net ionic equation should be written and spectator ion in the reaction of nitric acid and magnesium hydroxide has to be identified.
  • Type of the reaction should be identified.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

Precipitation reaction: The formation of the product is insoluble when the ions combine in the solution is called precipitation reaction.

Acid - base reaction: Formation of the salt from the cation from the base and anion from the acid and formation of water is also the product.

Gas forming reaction: The reaction of acid and metal carbonates which produce carbonic acid. The carbonic acid decomposes which gives water and carbon dioxide.

Oxidation - reduction reaction: The electrons are transferred to one to other is called oxidation reduction reaction.

A spectator ion is an ion that exists as a reactant and a product in a chemical equation.

Explanation

The reaction of Magnesium hydroxide is reaction with nitric acid is shown below,

The net ionic equation of the given reaction is shown below

NO3- ion is a spectator ion for the given reaction

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