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JEE Main PAPER - 1

JEE Main · 2018

180 questions · One at a time

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174
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+3, 0  , and +6+6Correct
  • B.+3,0+3, 0  , and +4+4
  • C.+3,+4+3, +4  , and +6+6
  • D.+3,+2+3, +2  , and +4+4
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