Assertion :Prussian blue is a dark blue pigment. Reason: Turnbull's blue is the same substance as prussian blue, but is made from different reagents.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Prussian blue - dark blue pigment (or) Berlin Blue.
$(C_{18} {F e}_{7} N_{18})$
Turn bull's blue : $K {F e}^{(I I I)} [{F e}^{I I} {(C N)}_{16}]$
both are same like ${F e}^{+ 3}$ central atom, ${C N}^{(-)}$ ligands.

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