Transition Elements & Co-ordination Compounds

Questions & Answers

Which of the following is an organometallic compound ?

Q:  Which of the following is an organometallic compound?

(A) Lithium methoxide

(B) Lithium acetate

(C) Lithium dimethylamide

(D) Methyllithium

Solution:   (D)

A group of atoms can function as a ligand only when

Q: A group of atoms can function as a ligand only when

(A) it is a small molecule

(B) it has an unshared electron pair

(C) it is a negatively charged ion

(D) it is a positively charged ion

Solution:  (B)

AgCl dissolves in NH4OH due to the formation of

Q: AgCl dissolves in NH4OH due to the formation of

(A) [Ag(NH4)2]Cl

(B) [Ag(NH4)3]Cl

(C) [Ag(NH3)2]Cl

(D) [Ag(NH3)2]OH

Solution:   (C)

Which of the following co-ordination number is unknown for Co3+ ?

Q:  Which of the following co-ordination number is unknown for Co3+ ?

(A) 5

(B) 4

(C) 6

(D) zero

Solution:   (A)

Carbonate ion(CO32–) acts as a

Q: Carbonate ion(CO32–) acts as a

(A) tridentate ligand

(B) bidentate ligand

(C) monodentate ligand

(D) tetradentate ligand

Solution:   (B)