Isomerism NEET Questions

Inorganic Chemistry - Coordination Compounds

Isomerism MCQ Questions


13.
Tetrahedral complexes do NOT show geometrical isomerism because:
A.
They have low coordination number
B.
They are colorless
C.
All four positions in a tetrahedron are equivalent (same relative angles)
D.
They are too small
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ANSWER :
C. All four positions in a tetrahedron are equivalent (same relative angles)
14.
Octahedral complexes of type [Ma₂b₄] show:
A.
4 geometrical isomers
B.
No isomerism
C.
2 geometrical isomers (cis and trans)
D.
3 geometrical isomers
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ANSWER :
C. 2 geometrical isomers (cis and trans)
15.
How many geometrical isomers does [Co(NH₃)₄Cl₂]⁺ have?
A.
1
B.
3
C.
2 (cis-violet and trans-green)
D.
4
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ANSWER :
C. 2 (cis-violet and trans-green)
16.
Octahedral complex [Ma₃b₃] shows:
A.
4 isomers
B.
3 isomers (cis, trans, mer)
C.
2 geometrical isomers (fac and mer)
D.
Only 1 isomer
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ANSWER :
C. 2 geometrical isomers (fac and mer)
17.
In facial (fac) isomer of [Co(NH₃)₃Cl₃]:
A.
Cl ligands are randomly placed
B.
Two Cl ligands are trans
C.
Three Cl ligands lie along a meridian
D.
All three Cl ligands occupy corners of one face of octahedron
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ANSWER :
D. All three Cl ligands occupy corners of one face of octahedron
18.
In meridional (mer) isomer:
A.
Three identical ligands form a face
B.
All ligands are at equator
C.
Two pairs of identical ligands are trans
D.
Three identical ligands lie along the meridian of octahedron
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ANSWER :
D. Three identical ligands lie along the meridian of octahedron