Coordination Compounds

Given below are two statements: (Given : oxH2 = HOOC - COOH) In light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

The complex which has facial and meridional isomers is (Given : py = pyridine and en = H2N-CH2-CH2-NH2)

1. [Ni(en)2(H2O)2]2+
2. [Cr(py)3(Cl)3]
3. [Cr(H2O)6]3+
4. [Co(NH3)4(H2O)2]3+

The type of isomerism shown by the complex [CoCl2(en)2] is

1. geometrical isomerism
2. coordination isomerism
3. ionization isomerism
4. linkage isomerism

The correct increasing order of trans-effect of the following species is

1. NH3 > CN- > Br- > C6H5-
2. CN- > C6H5- > Br- > NH3
3. Br- > CN- > NH3 > C6H5-
4. CN- > Br- > C6H5- > NH3

Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)

1. 1
2. 3
3. 4
4. 2

In a particular isomer of [Co(NH3)4Cl2]+, the Cl-Co-Cl angle is 90 , this isomer is known as

1. optical isomer
2. cis-isomer
3. position isomer
4. linkage isomer.

The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers?

1. 3
2. 4
3. 0
4. 2

The existence of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to

1. linkage isomerism
2. geometrical isomerism
3. coordination isomerism
4. ionization isomerism.

Which one of the following complexes is not expected to exhibit isomerism?

1. [Ni(NH3)4(H2O)2]2+
2. [Pt(NH3)2Cl2]
3. [Ni(NH3)2Cl2]
4. [Ni(en)3]2+

Which of the following does not show optical isomerism? (en = ethylenediamine)

1. [Co(NH3)3Cl3]0
2. [Co(en)Cl2(NH3)2]+
3. [Co(en)3]3+
4. [Co(en)2Cl2]+

Which of the following will give a pair of enantiomorphs? (en = NH2CH2CH2NH2)

1. [Cr(NH3)6][Co(CN)6]
2. [Co(en)2Cl2]Cl
3. [Pt(NH3)4][PtCl6]
4. [Co(NH3)4Cl2]NO2

Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)

1. cis-[Pt(NH3)2Cl2]
2. trans-[Pt(NH3)2Cl2]
3. cis-[Co(en)2Cl2]+
4. trans-[Co(en)2Cl2]+

Which of the following coordination compounds would exhibit optical isomerism?

1. Pentaamminenitrocobalt (III) iodide
2. Diamminedichloroplatinum (II)
3. trans-Dicyanobis (ethylenediamine) chromium (III) chloride
4. tris-(Ethylenediamine) cobalt (III) bromide.

Which of the following will give maximum number of isomers?

1. [Co(NH3)4Cl2]
2. [Ni(en)(NH3)4]2+
3. [Ni(C2O4)(en)2]
4. [Cr(SCN)2(NH3)4]+

Which complex compound will give four isomers?

1. [Fe(en)3]Cl3
2. [Co(en)(NH3)2Cl2]Cl
3. [Fe(PPh3)3NH3ClBr]Cl
4. [Co(PPh3)3Cl]Cl3