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Introduction To Co Ordination Compounds Free Doubts and Solutions

CBSE - XII Science - Chemistry - Coordination Compounds

Given the molecular formula of the hexa-coordinated complexes (i) CoCl3.6NH3, (ii) CoCl3.5NH3, (iii) CoCl3.4NH3. If the number of co-ordinated NH3 molecules in i, ii and iii respectively are 6, 5, 4, the primary valencies in (i), (ii) and (iii) are ?

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CBSE - XII Science - Chemistry - Coordination Compounds

What is the difference between coordination entity and coordination sphere ?

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CBSE - XII Science - Chemistry - Coordination Compounds

Find the difference in the oxidation numbernumbers present of the two types of sulphur present in Na2S4O6 [sodium - 2 sulphur - 4 oxygen - 6]. (Hint :- sulphur-sulphur linkages present)

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CBSE - XII Science - Chemistry - Coordination Compounds

what is coordiinated water  

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CBSE - XII Science - Chemistry - Coordination Compounds

3. If the radius of Mg2+, Cs+, O2-,S2- and Cl- ion are 0.65 A0, 1.69 A0, 1.40 A0, 1.84 A0 and 1.81 A0 respectively. Find the coordination number of MgO,MgS and CsCl.

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CBSE - XII Science - Chemistry - Coordination Compounds

Oxidation state of 'v' in Rb4Na [HV10O28] is :-

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CBSE - XII Science - Chemistry - Coordination Compounds

Geometrical shapes of the complexes formed by the reaction of Ni+2 with Cl–, CN– and H2O respectively are. (1) Octahedral, tetrahedral and sq. planar (2) Tetrahedral. sq. planar and octahedral (3) Square planar, tetrahedral and octahedral (4) Octahedral, Square planar and tetrahedral

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CBSE - XII Science - Chemistry - Coordination Compounds

How to find coordinate number of atoms ?

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CBSE - XII Science - Chemistry - Coordination Compounds

What type of isomeric= is exhibited by the complex (Co(NH3)5Cl)SO4?

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CBSE - XII Science - Chemistry - Coordination Compounds

Write the coordination number and oxidation state of Platinum in the complex [Pt(en)2Cl2].

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CBSE - XII Science - Chemistry - Coordination Compounds

What is the coordination number of copper?

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CBSE - XII Science - Chemistry - Coordination Compounds

why cyanide ions are not considered as ambidentated ligand though it can act as an isocyadide ion?

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CBSE - XII Science - Chemistry - Coordination Compounds

Which one's density is higher - Na or K, and why? (Sorry, this question is of class XI chemistry.          I wasn't able to post this question anywhere else.)

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CBSE - XII Science - Chemistry - Coordination Compounds

What type of ligand is thiourea? Write the structure.

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CBSE - XII Science - Chemistry - Coordination Compounds

What is the difference between a double salt and a complex ion?

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CBSE - XII Science - Chemistry - Coordination Compounds

What is meant by unidentate and bidentate ligands? Give example.

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CBSE - XII Science - Chemistry - Coordination Compounds

Which ligand has six donor atoms?

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CBSE - XII Science - Chemistry - Coordination Compounds

What is outer orbital complex and inner orbital complex ? 
Please explain this with example

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CBSE - XII Science - Chemistry - Coordination Compounds

Which is the most stable compound :-
a. K2[Ni(EDTA)]
b. K3[Al(C2O4)3]
Give the full explanation ???

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CBSE - XII Science - Chemistry - Coordination Compounds

The shape of  [Cu(NH3)4]2+ is square planar , hybridisation ofCu2+ in this complex is ??
Give the full explanation !!

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CBSE - XII Science - Chemistry - Coordination Compounds

How to find a complex if its spin only magnetic moment of given BM is given???

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CBSE - XII Science - Chemistry - Coordination Compounds

Which one of the following has an optical isomer 
a. [Co(en)3]3+
b. [Zn(en)2]2+
Why? Give the full explanation ..so that it will help me in other example!!

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CBSE - XII Science - Chemistry - Coordination Compounds

Among the following complexes ,which has a magnetic moment of 5.9 BM
Ni(CO)4 ,[Fe(H2O)6]2+ ,[Co(NH3)6]3+ ,[MnBr]2- ....??
Give full solution that will help in other example also

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CBSE - XII Science - Chemistry - Coordination Compounds

How to find magnetism by unpaired electron of coordinate compuond??

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CBSE - XII Science - Chemistry - Coordination Compounds

The number of unpaired electron in the complex ion [CoF6]3- is...?

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CBSE - XII Science - Chemistry - Coordination Compounds

what is primary valency in [Cr(NH3)4Cl2]Cl ?
 

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CBSE - XII Science - Chemistry - Coordination Compounds

How do we calculate the coordination number of FeF6 and Fe(CN)6?

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CBSE - XII Science - Chemistry - Coordination Compounds

What are the complexes that show optical isomerism?  Why do square planar complexes donot show optical isomerism?

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CBSE - XII Science - Chemistry - Coordination Compounds

After coordination sphere ,video lessons are not there .PLEASE send it .

Asked by sweety 14th November 2015, 9:45 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

whats the difference between cis & trans..can u plz explain with examples..............

Asked by ARUN S 19th February 2015, 9:22 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

aqueous copper sulphate solution(blue) gives
(i)a green ppt. with aqueous potassium flouride,and
(ii)a bright green solution with aqueous potassium chloride.
explain these experimental results.

Asked by haider.samina 26th January 2015, 2:26 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

what is lead poising?and what is working of EDTA in it?

Asked by Anshu Chauhan 26th October 2014, 2:43 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

Sir/Ma'am,
i want to know the imp questions and concepts  that are often asked in exams for this chapter and what is necessay to get full in this chapter
Thanks
Riyan

Asked by Riyan Desai 12th September 2014, 12:35 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

What is the oxidation number of Ni in Ni(CO)4?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

What is thhe relation between coordination compounds and molar conductivity.

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CBSE - XII Science - Chemistry - Coordination Compounds

What is the oxidation number of copper in [Cu(NH3)4]SO4?

Asked by Topperlearning User 4th April 2014, 2:38 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

Write the formula of the co-ordination compound dichlorobis(ethylenediammine)cobalt(III) sulphate.

Asked by Topperlearning User 4th April 2014, 2:37 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

What is the IUPAC name of (NH4)3[Cr(SCN)6] complex?

Asked by Topperlearning User 4th April 2014, 2:18 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

What is the most common coordination number encountered in coordination compounds?

Asked by Topperlearning User 4th April 2014, 2:10 PM
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CBSE - XII Science - Chemistry - Coordination Compounds

Ethylene diammine has how many coordination sites?

Asked by Topperlearning User 4th April 2014, 2:09 PM
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