Chemistry : Coordination Compounds

Advertisement

Long Answer Type

Explain with two examples each of the following: coordination entity, ligand, coordination number, coordination polyhedron, homoleptic and heteroleptic. 
196 Views
Answer

Short Answer Type

What will be the correct order for the wavelength of absorption in the visible region for the following:
[Ni (NO2)6]4–, [Ni(NH3)6]2+, [Ni(H2O)6]2+?

285 Views
Answer
Explain the bonding in coordination compounds in terms of Werner’s postulates.
206 Views
Answer
Specify the oxidation numbers of the metals in the following coordination entities:
 [Co(H2O)(CN)(en)2]2+
162 Views
Answer
Advertisement
[Fe(CN)6]4- and [Fe(H2O)6]2+ are of different colours in dilute solutions. Why?
287 Views
Answer
Write the IUPAC names of the following coordination compounds:

(i) [Pt(NH3)2Cl(NO2)]
(ii) K3[Cr(C2O4)3]            
(iii) [CoCl2(en)2]Cl
(iv) [Co(NH3)5(CO3)]Cl          
 (v) Hg[Co(SCN)4]
1875 Views
Answer

Long Answer Type

What is meant by unidentate, didentate and ambidendate ligands ? Give two examples of each. 
296 Views
Answer

Short Answer Type

Out of the following two coordination entities which is chiral (optically active)?
(a)    cis-[CrCl2(ox)2]3+
(b)    [trans-[CrCl2 (ox)2]3–

450 Views
Answer
Advertisement
<
Write the formulas for the following coordination compounds:

(i) Tetraamine aqua chlorocobalt(III) chloride.
(ii) Potassium tetrahydroxozincate(II).
(iii) Potassium trioxalatoaluminate(III).
(iv) Dichloridobis (ethane-1, 2-diamine) cobalt(III) chloride.
(v) Tetracarbonyl nickel (0)
600 Views
Answer

A solution of [Ni (H2O)6]2+ is green but a solution of [Ni(CN)4]2– is colourless. Explain. 

716 Views
Answer
Advertisement