Question

Which of the following on thermal decomposition yields a basic as well as acidic oxide ? (a) NaNO₃ (b) KClO₃(c) CaCO₃ (d) NH₄NO₃

Answer 1

its eiter option (a) or option (c)

Answer 2

Answer:

(c) CaCO₃ is the correct answer.

Explanation:

Thermal decomposition is the process in which heat is required.

It is also known as thermolysis.

It is process in which a compund breaks into two or more products when heat is supplied.

This reaction is used for production of oxygen.

This reaction is also used for production of acidic as well as basic oxides.

Oxide is a compund which primarily consists one oxygen and any other element.

Oxide are of two types

1) acidic oxide

2) basic oxide

Acidic oxide are oxides which react with water to form acids or they react with base to form salts.

Basic oxides are oxides which are formed when oxygen reacts with metals which maybe alkaline or alkaline earth like metals.

CaCO3 is the only compund which on thermal decomposition gives both acidic as well as basic compunds.

The reaction is given as follows

CaCO3 ===> CaO+ CO2

Here CaO is basic oxide.

And CO2 is acidic oxide.

Hence

c) CaCO₃ is the correct answer.