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JEE Main PAPER - 1

JEE Main · 2018

180 questions · One at a time

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MCQ4 marks

The oxidation states of Cr in [Cr(H2O)6]Cl3[Cr(H_2O)_6]Cl_3  , [Cr(C6H6)2][Cr(C_6H_6)_2]  , and K2[Cr(CN)2(O)2(O2)(NH3)]K_2[Cr(CN)_2(O)_2(O_2)(NH_3)]   respectively are:

  • A.+3, 0, and +6Correct
  • B.+3, 0, and +4
  • C.+3, +4, and +6
  • D.+3, +2, and +4
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