Given the following pair of isomers:
[Cr(NH3)6][Cr(NO2)6] and
[Cr(NH3)4(NO2)2][Cr(NH3)2(NO2)4]

Aside from X-ray diffraction, how could the above pairs of isomers be distinguished from one another?

1. Cryoscopic method
2. Measuring their molar conductance
3. Measuring their magnetic moments
4. Observing their colors

Subtopic:  Introduction, Classification and Nomenclature | Isomerism in Coordination Compounds |
Level 4: Below 35%
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Which of the following complexes is not expected to exhibit isomerism?

1. [Ni(NH3)4(H2O)2]2+ 2. [Ni(NH3)2Cl2]
3. [Pt(NH3)2Cl2] 4. [Ni(en)3]2+
Subtopic:  Isomerism in Coordination Compounds |
Level 3: 35%-60%
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A compound among the following has both fac-mer and optical isomers is:

1. [Co(NH3)5(NO3)]     

2. [Co(en)3]3−

3. [Co(gly)3]

4. None of the above

Subtopic:  Isomerism in Coordination Compounds |
Level 4: Below 35%
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Total geometrical isomers possible for [Pd2+(NH2-CH(CH3)-CO2-)2]0 are -

1. 2

2. 3

3. 4

4. 6

Subtopic:  Isomerism in Coordination Compounds |
Level 4: Below 35%
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Which of the following compounds can show geometrical isomerism? 
1. \([Pt(NH_3)_2 Cl_2]\)
2. \([Zn(NH_3)_2 Cl_2]\)
3. \([Pt(NH_3)_3 Cl]\)
4. Both (1) and (2) 
Subtopic:  Isomerism in Coordination Compounds |
Level 4: Below 35%
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