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what is the colour of ferrous …

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what is the colour of ferrous sulphate crystals?how does this colour change after heating?

Posted by Keerthana Lokesh 5 years ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 5 years ago

a) The colour of ferrous sulphate is green. It changes to brown after heating.

On heating: FeSO4.7H2O→FeSO4(s)+7H2O(g)

b) The product formed is ferric oxide (Fe2O3). This is a decomposition reaction.

On strong heating: 2FeSO4(s)→Fe2O3(s)+SO2(g)+SO3(g)

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