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Q89) The geometry of the compound [Pt(NH3)2Cl2] is [ DEC 2001]




SOLUTION


Answer: (a)


Q90) The hypothetical complex chlorodiaquatriamminecobalt(III) chloride can be represented as [ CBSE PMT 2002]




SOLUTION


Answer: (a)


Q91) The number of unpaired electrons in the complex ion [CoF6]3- is ..[CBSE PMT 2003]
[At No Co=27]



SOLUTION

[CoF6]3- contains Co3+ = d6 system with four unpaired electrons
Answer:(c)



Q92) Ferrocene is an example of ..[J And K CEE 2003]



SOLUTION


Answer: (a)


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