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Match the following.
Column-I Column-II
A) (NH₄)₃ PO₄.12MoO₃ I) Violet
B) Na₄ [Fe(CN)₅ NOS] II) Prussian
blue
C) Fe(SCN)₃ III) Black
D) Fe₄[Fe(CN)₆]₃ IV) Yellow
V) Blood Red
The correct combination of the compound (complex) of column – I and column – II is
A B C D
1) IV I V III
2) IV I V II
3) III I V II
4) III I II IV

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answer is B.

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Detailed Solution

(I) – Indicates presence of ‘P’ in organic compound
(II) – Indicates presence of ‘S’ in organic compound
(III) – Indicates presence of ‘S’ and ‘N’ in organic compound
(IV) – Indicates presence of ‘N’ in organic compound

Which of the following compounds will give red colour on Lassaigne test?

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