0 of 8 answered

Chemistry

Coordination Compound

8 questions · Click an option and press Check Answer to reveal the result

The complex cation which has two isomers is :

[Co(NH₃)₅NO₂]²⁺

[Co(H₂O)₆]³⁺

[Co(NH₃)₅Cl]⁺

[Co(NH₃)₅Cl]²⁺

Match list I with list II

Screenshot 2026-04-20 at 1.23.21 PM.png

The correct option is

a(ii), b(i), c(iv), d(iii)

a(i), b(ii), c(iii), d(iv)

a(ii), b(i), c(iii), d(iv)

a(i), b(ii), c(iv), d(iii)

A blue solution of copper sulphate becomes darker when treated with excess of ammonia. This is because –

ammonia molecules replace water molecules in the solution

ammonia is stronger ligand than water

ammonia forms a stable complex ion [Cu(NH₃)₄]²⁺ with Cu²⁺ ions

All are correct

Given below are two statements

Statement I: Total number of geometrical isomers for [Co(NH₃)₄Cl₂]⁺ is two

Statement II: [Co(en)₃]³⁺ can exhibit optical isomerism.

In the light of above statements, choose the most appropriate answer from the options given below.

Both statement I and statement II are correct.

Both statement I and statement II are incorrect.

Statement I is correct but statement II is incorrect.

Statement I is incorrect but statement II is correct.

Both [Ni(CO)₄] and [Ni(CN)₄]^2–are diamagnetic. The hybridisations of nickel in these complexes, respectively, are

sp³, sp³

sp³, dsp²

dsp², sp³

dsp², dsp²

The bond length of C–O bond in carbon monoxide is 1.128 Å. The C–O bond length in Fe(CO)₅ is –

1.158 Å

1.128 Å

1.178 Å

1.118 Å

Identify the CORRECT set of details from the following:

A. [Co(NH₃)₆]³⁺ : Inner orbital complex; d²sp³ hybridized

B. [MnCl₆]³⁻ : Outer orbital complex; sp³d² hybridized

C. [CoF₆]³⁻ : Outer orbital complex; d²sp³ hybridized

D. [FeF₆]³⁻ : Outer orbital complex; sp³d² hybridized

E. [Ni(CN)₄]²⁻: Inner orbital complex; sp³ hybridized

Choose the correct answer from the options given below

C & D Only

A, B, C, D & E

A, C & E Only

A, B & D Only

Which of the following is a high-spin complex?

[Co(NH₃)₆]³⁺

[Fe(CN)₆]^4–

[CoF₆]^3–

[Fe(CN)₆]^3–

Question Palette

Unattempted

Correct

Incorrect

Back to ExamsBack