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Q49) CuSO4 reacts with KCN solution and forms..[AIIMS 1999]




SOLUTION

2CuSO4 + 10KCN → 2K3[Cu(CN)4] + (CN)2 +2 K2SO4
Answer: (c)


Q50) For the square planar complex [M(a)(b)(c)(d)] Where M is central metal and a, b, c, d are monodentate ligands. the number of possible geometrical isomers are [ kerala MEE 2000]




SOLUTION

We can findind only three isomers by interchaging position of ligands
Answer: (c)


Q51) In [Co(NH3)6]Cl3, the number of covalent bonds is ..[MP PMT2001]



SOLUTION

Each Nh3 contains three covalent bonds thus total 18 covalent bonds
Answer:(d)



Q52) Oxidation state of the metal ion in the complex [Fe(CN)6]3- is [ AMU 1997]



SOLUTION


Answer: (a)


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