(I) \[3C{{o}^{2+}}+{{[Fe{{(CN)}_{6}}]}^{3-}}\xrightarrow{{}}\] |
(II) \[C{{o}^{2+}}+2SC{{N}^{\Theta }}\xrightarrow{{}}\] |
(III) \[A{{l}^{+3}}+8\]Hydroxyquinoline \[\xrightarrow{{}}\] |
(IV) \[C{{o}^{2+}}+\alpha -nitroso-\beta -naphthol\xrightarrow{{}}\] |
A) I, II
B) II, III
C) I, II, IV
D) II, IV
Correct Answer: B
Solution :
[b] (I) \[(I)\xrightarrow{{}}\underset{reddish\,\,brown\,\,ppt.}{\mathop{C{{o}_{3}}{{[Fe{{(CN)}_{6}}]}_{2}}}}\,\] \[(II)\xrightarrow{{}}\underset{Blue\,\,colour}{\mathop{{{[Co{{(SCN)}_{4}}]}^{2-}}}}\,\] (III) (IV)You need to login to perform this action.
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