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Catalytic Hydrogenation

27. DMG +NiCl...

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27. DMG +NiCl2+NH4OH makes Complex a+ NH4Cl+H2O. What is complex a and find the hybridisation magnetic character and Oxidation state of Nickel in complex a ?

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Q. For the coordination complex ion

{[C o {(N H_{3})}_{6}]}^{3 +}

(i) Give the IUPAC name of the complex ion.
(ii) What is the oxidation number of cobalt in the complex ion?
(iii) State the type of hybridisation of the complex ion.
(iv) State the magnetic behaviour of the complex ion.

Q. (a) For the complex

[F e (C N)_{6}]^{4 -}

, write the hybridisation, magnetic character and spin type of the complex. (At. number: Fe=26)
(b) Draw one of the geometrical isomers of the complex

[C o (e n)_{2} C l_{2}]^{+}

which is optically active.

Q. (a) For the complex

[F e (H_{2} O)_{6}]^{+ 3}

, write the hybridisation, magnetic character and spin of the complex. (At. number : Fe = 26)
(b) Draw one of the geometrical isomers of the complex

[P t (e n)_{2} C l_{2}]^{+ 2}

which is optically inactive.

Q. What is the co-ordination number of Ni in nickel-DMG complex?

Q. On the basis of valence bond theory explain the oxidation state, hybridisation,geometry and magnetic nature of metal in complex

[C o F_{6}]^{3 -}

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