Given below are two statements : Statement (I) : Dimethyl glyoxime forms a six- membered covalent chelate when treated with NiCl2 solution in presence of NH4OH. Statement (II) : Prussian blue precipit

Question

Given below are two statements : Statement (I) : Dimethyl glyoxime forms a six- membered covalent chelate when treated with NiCl2 solution in presence of NH4OH. Statement (II) : Prussian blue precipitate contains iron both in (+2) and (+3) oxidation states. In the light of the above statements, choose the most appropriate answer from the options given below:

(A) Statement I is false but Statement II is true
(B) Both Statement I and Statement II are true
(C) Both Statement I and Statement II are false
(D) Statement I is true but Statement II is false

Prashant Kotian · Accepted Answer

Correct answer: A. Ni2+ + NH4OH + dmg  CH C N C CH3 N Ni 2+ O H N O  C CH3 N C CH3 O H O   2 Five member ring 6 3 III II Fe [Fe(CN) ] Prussian Blue SECTION-B

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