EASY
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Important Questions on Coordination Chemistry

HARD
FeSO4 solution mixed with NH42SO4 in 1:1 molar ratio gives the test of Fe2+ ion but CuSO4 solution mixed with aqueous ammonia in 1:4 ratio does not give the test of Cu2+ ion. Explain why?
EASY
Write the structural formula of the following compound: Tetraquadichlorochlorium (III) nitrate
EASY
The total number of ions provided by the complex [Co(NH3)4Cl2]Cl in water is _____ .
MEDIUM
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25oC?
MEDIUM
The number of bridged CO ligands present in Fe2CO9 and CO2CO8, respective are
EASY
What is the number of nitrogen atoms and -COO- groups respectively present in EDTA?
EASY
Write the structural formula of the following compound: Tetra amine chloronitro cobalt (III) nitrate.
MEDIUM
Complexes CoX63-,CoY63+ and CoZ63-absorb at 700,475 and 310nm, respectively. The ligands X,Y and Z most likely are, respectively,
EASY
A tin chloride Q undergoes the following reactions (not balanced)

Q+Cl-X

Q+Me3NY

Q+CuCl2Z+CuCl

X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s).
EASY
The correct order of the stoichiometries of AgCl formed when AgNO3 is treated in excess with the complexes: CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3, respectively, is:
EASY
The ratio of the number of water molecules in Mohr's salt and the empirical formula of potash alum is x×10-1. The Value of x is (Integer answer)
MEDIUM
Which one of the following complexes will consume more equivalents of aqueous solution of AgNO3 ?
EASY

Which of the following are the example of double salt?

(A) FeSO4·NH42SO4·6H2O

(B) CuSO4·4NH3·H2O

(C) K2SO4·Al2SO43·24H2O

(D) Fe(CN)2·4KCN

Choose the correct answer.

EASY
Which of the following types of valences, according to Werner's theory, is also called as primary valence ?
EASY

The secondary valency and the number of hydrogen bonded water molecule(s) in CuSO4·5H2O, respectively, are:

MEDIUM

On complete reaction of FeCl3 with oxalic acid in aqueous solution containing KOH, resulted in the formation of product A. The secondary valency of Fe in the product A is ______ .

(Round off to the Nearest Integer).

EASY
Write the structural formula of the following compound: Dichlorobis (ethylenediamine) cobalt (IV) sulphate.
MEDIUM
Which of the following does not form double salts?
EASY
The number of cations produced by Mohr's salt in solution is