1.

Some chemical reactions are given below. 1. Zn + 2HCI → ZnCl2 + H2 2. 2Mg + O2 → 2MgO3. NH4Cl ⇌ NH3 + HCl a. What are the peculiarities of first two reactions b. Conduct an experiment for viewing the dissociation and association taking place in the third equation. c. In the three reactions, reactants turned into product and products are converted into reactants, is it true? d. What type of reactions are they all represent? e. Write down the characteristics of the reaction.

Answer»

a. In these reactions, the reactants change to products but the products cannot be changed back to reactants. 

b. Heat some Ammonium chloride in a boiling tube. 

c. No 

d. First two Reactions are irreversible reactions. Third Reaction is a reversible Reaction. 

e. Characteristics of Irreversible Reaction:- Reactants become products but products cannot be changed back to Reactants.

Characteristics of Reversible Reaction:- Reaction takes place in both directions.



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