When Zinc is added to a solution of Iron (II) sulphate green colour solution, what change can be observed?

Its colour changes to black

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Its colour changes to blue

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Its colour changes to yellow

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green colour of the solution disappears

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Solution

The correct option is D green colour of the solution disappears
Metals on top of the reactivity series are highly reactive. Zn is placed higher than Fe in the reactivity series so it can displace Fe ions from the sulphate solution due to which the green colour disappears.

$Z n + F e {S O}_{4} \to {Z n S O}_{4} + F e$

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