JEE Main 2018 (Online) 15th April Morning Slot | Coordination Compounds Question 163 | Chemistry

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JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

-1

The correct combination is :

[Ni(CN)₄]^2- $$-$$ tetrahedral ;

[Ni(CO)₄] $$-$$ paramagnetic

[Ni(Cl)₄]^2- $$-$$ paramagnetic ;

[Ni(CO)₄] $$-$$ tetrahedral

[Ni(Cl)₄]^2- $$-$$ square-planar ;

[Ni(CN)₄] ^2-$$-$$ paramagnetic

[Ni(Cl)₄]^2- $$-$$ diamagnetic ;

[Ni(CO)₄] $$-$$square-planar

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

[Co₂(CO)₈] displays :

one Co−Co bond, six terminal CO and two bridging CO

one Co−Co bond, four terminal CO and four bridging CO

no Co−Co bond, six terminal CO and two bridging CO

no Co−Co bond, four terminal CO and four bridging CO

JEE Main 2017 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

-1

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

MnO₂ and CrO₂Cl₂

[NiCl₄]^2$$-$$ and [CoCl₄]^2$$-$$

[Fe(CN)₆]^3$$-$$ and [Cu(CN)₄]^2$$-$$

[FeCl₄]^$$-$$ and Co₂O₃

JEE Main 2017 (Offline)

MCQ (Single Correct Answer)

-1

On treatment of 100 mL of 0.1 M solution of CoCl₃. 6H₂O with excess AgNO₃; 1.2 $$\times$$ 10²² ions are precipitated. The complex is:

[Co(H₂O)₃Cl₃].3H₂O

[Co(H₂O)₆]Cl₃

[Co(H₂O)₅Cl]Cl₂.H₂O

[Co(H₂O)₄Cl₂]Cl.2H₂O

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