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Grade 12Inorganic Chemistry

the complex ion which has no d electrons in the central metal atom is

  1. [Mno4]-
  2. [co(NH3)6]3+
  3. [Fe(CN)6]3-
  4. [Cr(H2O)6]3+. how to solve this

Profile image of upasana bhuyan
13 Years agoGrade 12
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4 Answers

Profile image of Roshan Mohanty
13 Years ago

in option A oxd state of Mn is +7
so there will be no d electrons in the central atom 

Profile image of TANAYRAJ SINGH CHOUHAN
13 Years ago

MnO4- is the correct answer as oxidation no. of Mn is +7 and electrons are not present in its d-orbital.

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Profile image of vishal ojha
13 Years ago

[MnO4]-  AS ITHS OXIDATION STATE IS +7 AND 5 ELECTRONS IN D ORBITAL AND 2 ELECTRONS IN S ORBITAL....A TOTAL OF 7

Profile image of Shivam Tiwari
9 Years ago
[MnO4] is the right option...because its oxidation state is 7 ....so there will be no d electrons in the central atom