Coordination Co...

The conjugate base of $$[Al(H_2O)_3(OH)_3]$$ is

In quantitative analysis of second group in lab., $$ H _ { 2 } S $$ gas is passed in acidic medium for ppt. When $$ \mathrm { Cu } ^ { + 2 } $$ and $$ \mathrm { Cd } ^ { + 2 } $$ react with $$ \mathrm { KCN } $$, then in which of the following condition, ppt will not be formed due to relative stability.

Select the correct statement

Which of the following ligands is not a chelating agent?

Which of these statements about $$[Co(CN)_{6}]^{3-}$$ is true?

$$[Fe(H_{2}O)_{6}]^{+2}$$ has a crystal field splitting energy value of $$10,400\ cm^{-1}$$ and a pairing energy value of $$17,600\ cm^{-1}$$. Then, the compound is:

In the co-ordination compound $$Na_{4}$$$$[Fe)CN)_{5}NOS]$$ oxidation state of $$Fe$$ is:

The correct order of increasing s-character (in percentage) in the hybrid orbitals of following molecules and ions is 

(I) $$CO_{3}^{2-}$$          (II) $$XeF_{4}$$     (III) $$I_{3}^{-}$$ (IV) $$NCl_{3}$$    (V) $$BeCl_{2}$$

Select the incorrect statement.

Identify the correct statement(s) regarding $$[Cr(en)_{2}]^{+}$$ and $$[Co(C_{2}O_{4})_{2}(NH_{3})_{2}]$$ complex ions:
(i) Both are chelate complexes
(ii) Both have octahedral geometry
(iii) Both are low spin complexes
(iv) Both contain metal-carbon bond i.e. , they are organometallic compounds