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In Lassaigne’s test red colour precipitate is obtained which is due to formation

In Lassaigne’s test red colour precipitate is obtained which is due to formation of

Options

(a) FeCNS
(b) Fe(CNS)₂
(c) NaCNS
(d) Fe(CNS)₃

Correct Answer:

Fe(CNS)₃

Explanation:

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