IIT-JEE 2004 Screening | Coordination Compounds Question 36 | Chemistry

Joint Entrance Examination

Medical

Graduate Aptitude Test in Engineering

CBSE

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)

+2

-0.5

The pair of compounds having metals in their highest oxidation state is

A

MnO₂, FeCl₃

B

[MnO₄]^-, CrO₂Cl

C

[Fe(CN)₆]^3-, [Co(CN)₃]

D

[NiCl₄]^2- , [CoCl₄]^-

2

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

+2

-0.5

Amongst the following identify the species with an atom in +6 oxidation state

A

$$MnO_4^ - $$

B

$$Cr(CN)_6^{3 - }$$

C

$$NiF_6^{2 - }$$

D

$$Cr{O_2}C{l_2}$$

3

IIT-JEE 1987

MCQ (Single Correct Answer)

+1

-0.25

The brown ring complex compound is formulated as [Fe(H₂O)₅(NO)⁺]SO₄. The oxidation state of iron is

A

1

B

2

C

3

D

0

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