MEDIUM

Earn 100

Explain the hybridisation of hexammine chromium (III) ion.

Important Questions on Co-ordination Compounds

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

The hybridization involved in complex

{[N i {(C N)}_{4}]}^{2 -}

is: (Atomic number of Ni = 28)

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Which of these statements about

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

is true?

EASY

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

For the complex ion

{[Fe {(CN)}_{6}]}^{3 -}

, state the type of hybridisation.

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Explain the geometry of

[Cu {({NH}_{3})}_{4}]^{2 +}

on the basis of hybridisation [At. No. Cu = 29].

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Given below are two statements :
Statement I: ${[Mn (CN)_{6}]}^{3 -}, {[Fe (CN)_{6}]}^{3 -}$ and ${[Co {(C_{2} O_{4})}_{3}]}^{3 -}$ are $d^{2} {sp}^{3}$ hybridised.
Statement II : ${[{MnCl}_{6}]}^{3 -}$ and ${[{FeF}_{6}]}^{3 -}$ are paramagnetic and have $4$ and $5$ unpaired electrons, respectively.

In the light of the above statements, choose the correct answer from the options given below:

EASY

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Explain why

{[Co {({NH}_{3})}_{6}]}^{3 +}

is an inner orbital complex, whereas

{[Ni {({NH}_{3})}_{6}]}^{2 +}

is an outer orbital complex. (Atomic numbers of

Co

and

Ni

are

27

and

28

, respectively)

EASY

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

For the complex ion

{[Fe {(CN)}_{6}]}^{3 -}

, state the magnetic behaviour.

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Write the geometry and magnetic nature of the complex ion

{[{NiCl}_{4}]}^{2 -}

, on the basis of valence bond theory.

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

The hybridisation of

{[Ni {(CN)}_{4}]}^{2 -}

{[Ni {({NH}_{3})}_{6}]}^{2 +}

ions are respectively.

EASY

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Out of

{[{CoF}_{6}]}^{- 3}

and

[Co {(en)}_{3}]^{3 +}

, which complex compound is high spin complex.

MEDIUM

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

With the help of Valence Bond Theory (VBT) explain hybridisation, geometry, and magnetic property of ${[Ni {(CN)}_{4}]}^{2 -}$ tetracyanido nickelate (ll) ion.

[Given : Atomic number of $Ni = 28$ ].

EASY

Chemistry>Inorganic Chemistry>Co-ordination Compounds>Valence Bond Theory

Explain