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JEE Advanced 2020 Concept Recapitulation Test 3 Paper 1

Answer questions 29, 30 and 31 by appropriately matching the information given in the three columns of the following table.

Column - 1 (cation)	Column - 2 (group reagent)	Column - 3 (appearence)
(I) Fe+3	(i) H2S in presence of HCl	(P) reddish brown precipitate with K4[Fe(CN)6]
(II) Ni+2	(ii) NH4Cl in presence of NH4OH	(Q) blue precipitate with K4[Fe(CN)6]
(III) Cu+2	(iii) (NH4)2CO3 in presence of NH4Cl and NH4OH	(R) red precipitate with dimethyl glyoxime in alkaline medium
(IV) Ba+2	(iv) H2S in presence of NH4OH	(S) apple green colour in Bunsen flame

Question : 29

Total: 54

Correct match among the following:

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