Question

why is the product formed on heating a mixture of 7 gram of iron and 4 gram of sulphur called a compound? give two reasons

Answer 1

First converting everything into Mole Ratios

7 Grams Of Fe = 7/55.5 ≈ 1/8 = 0.125

4 Grams Of S = 4/32 = 0.125

Both are reacting in 1:1 Ratios

Fe + S   →   FeS

FeS is called a compound as it exhibits different properties than it’s consistuents

Ie It is not magnetic where Iron is magnetic