Chelation

IMPORTANT

Chelation: Overview

This topic covers concepts, such as, Chelates, Chelating Effect, 5 Membered Ring Chelates, 6 Membered Ring Chelates & Effect of Steric Hindrance on Stability of Chelates etc.

Important Questions on Chelation

MEDIUM
IMPORTANT

Which of the following ligands able to form complexes having 6 membered ring chelation?

HARD
IMPORTANT

Give the examples of complexes having 6 membered ring chelation?

HARD
IMPORTANT

Explain the formation of 6 membered ring formation by poly dentate ligands?

MEDIUM
IMPORTANT

Which of the following complex has chelating ligand?

MEDIUM
IMPORTANT

The agent that keeps metals in the soluble state is called

EASY
IMPORTANT

A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?

MEDIUM
IMPORTANT

What is the chelation effect? Give an example.

EASY
IMPORTANT

Ca2+ makes which type of complex with EDTA?

EASY
IMPORTANT

Number of the following statements is/are correct?
A Greater the stability constant of a complex ion, greater is its stability
B Greater the oxidation state of the central metal ion, greater is the stability of the complex
C CO stabilizes complex because of its synergic Bonding.
D Chelate complexes have low stability constants

HARD
IMPORTANT

In the complexes FeH2O63+, FeCN63-, FeC2O433- and FeCl63-, more stability is shown by

EASY
IMPORTANT

The name of the ring structure complex formed between metal ion and polydentate ligand is ..........

EASY
IMPORTANT

When EDTA solution is added to Mg2+ ion solution, then which of the following statements is not true?

EASY
IMPORTANT

The name of the ring structure complex compound formed between metal ion and polydentate ligand is

EASY
IMPORTANT

Which of the following system is most stable for a chelate?

HARD
IMPORTANT

Select the incorrect statement.

EASY
IMPORTANT

Chelation can occur in:

HARD
IMPORTANT

Select correct statement :

MEDIUM
IMPORTANT

Which can form chelates?

EASY
IMPORTANT

Figure out the closed ring compounds formed by bidentate ligands, on binding to metal or metal ions: