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Combination Reaction

A student was...

Question

A student was given a mixture of sulphur and iron fillings. He was told to heat the mixture and observe. What will be the colour of the compound formed?

A

Red

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B

Black

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C

Orange

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D

Blue

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Solution

The correct option is C Black
When sulphur and iron filings are mixed and heated they form a compound $F e S$ (ferrous sulphide). $F e S$ is black in colour.

$F e + S ⟶ F e S$ (Black coloured compound)

So, the correct option is (B)

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