d-f Block & Coordination Compounds — NEET PYQ

Transition metals show variable oxidation states because of:

The IUPAC name of [Co(NH₃)₆]Cl₃ is:

Crystal field splitting energy (Δ₀) in octahedral complex determines:

The coordination number in [Fe(CN)₆]⁴⁻ is:

Lanthanoid contraction results in:

EDTA is a _____ ligand:

The most common oxidation state of iron is:

KMnO₄ is used as:

Chelate effect refers to:

Which ion is colourless?

Werner's theory of coordination compounds proposed:

Spectrochemical series arranges ligands in order of:

Isomerism in [Co(NH₃)₄Cl₂]⁺ is:

Potassium dichromate in acidic medium is:

The f-block elements are called:

Linkage isomerism is shown by:

In octahedral crystal field, d-orbitals split into:

Steel contains carbon in the range of:

Ferrocene has the formula:

Transition metals are good catalysts because: