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Q)

An aqueous solution of a salt $X$ turns blood red on treatment with $SCN^-$ and blue on treatment with $K_4 [Fe(CN)_6 ]$. $X$ also gives a positive chromyl chloride test. The salt $X$ is :


( A ) $FeCl_3$
( B ) $Fe(NO_3)_3$
( C ) $CuCl_2$
( D ) $Cu(NO_3)_2$

1 Answer

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A)
A option (Fecl3)
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