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CBSE Class 10 Answered

mention the colour of FeSO4.7H2O crystals. How does this colour change upon heating. Give balanced  chemical equation for the change
Asked by neenat16 | 11 Sep, 2018, 02:26: PM
answered-by-expert Expert Answer
The colour of FeSO4.7H2O crystals is blue-green.
 
On heating, it loses water of crystallisation and anhydrous ferrous sulphate is formed.
 
It is reddish brown in colour.
 
Reaction:
 
2 FeSO subscript 4 subscript open parentheses straight s close parentheses end subscript space rightwards arrow with increment on top space Fe subscript 2 straight O subscript 3 subscript open parentheses straight s close parentheses end subscript end subscript space space plus space space SO subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space plus space SO subscript 3 subscript open parentheses straight g close parentheses end subscript space space
 
Answered by Varsha | 11 Sep, 2018, 05:20: PM

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