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Q105) The effective atomic number of iron in [Fe(CN)6]3- is




SOLUTION

Number of electrons in Fe = 26, oxisdation state is +3
Therefore EAN = 26 -3 +12 = 35
Answer: (d)


Q106) Atomic number of Cr and Fe are respectively 25 and 26. Which of the following is paramagnetic with the spin of the electron [ CBSE PMT 2002]




SOLUTION

Cr in [Cr(NH3)6]3+ have three unpaired electrons
Answer: (d)


Q107) According to IUPAC nomenclature, sodium nitroprusside is named as [ CBSE PMT 2003]



SOLUTION

Formula for sodium nitroprusside is [Na2[Fe(CN)5NO]
Answer:(d)



Q108) In the spectrochemical series, the magnitude of the crystal field splitting is maximum for which ion? [ Harayana CEET 2003]



SOLUTION


Answer: (d)


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