Question

A substance that decomposes on heating
a. Oxygen b. Phosphorus
c. Mercuric oxide d. Sulphur​

Answer 1

Answer:

Mercuric oxide gives mercury and oxygen on heating

2HgO+180kJ⟶2Hg+O

2

The following represents the heat of formation of mercuric oxide.

Hg+

2

1

O

2

⟶HgO+90kJ

The heat of formation is the enthalpy change for the formation of 1 mole of HgO.

Answer 2

Answer:

here is your answer

Explanation:

Sulphur can decompose on heating

Hope it will helps you