Question

A clean aluminium strip is placed in freshly prepared ferrous sulphate solution

Wht is the change in colour

Change in temperature

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Answer 1

Colour will change from pale green to colourless and test tube will get heated
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Answer 2

THE REACTION WILL AS FOLLOWS-

Al + 3FeSO4 ----------> 2Al2(SO4)3 + 3Fe

EXPLAINATION

Aluminum being more reactive than iron diplaces it from it's salt (sulphate) solution and forms aluminum sulphate.

Change in colour--

Iron sulphate is GREEN in colour and changes to WHITE coloured solution

Change in temperature--

Every Diplacement reaction gives out heat (EXOTHERMIC) reaction .

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