Isomerism Real

Question 1

Ma6

Answer 1

Stereo: 1, Enantiomer pairs: 0, Geometric: 1

Question 2

Ma5b

Answer 2

Stereo: 1, Enantiomer pairs: 0, Geometric: 1

Question 3

Ma4b₂

Answer 3

Stereo: 2, Enantiomer pairs: 0, Geometric: 2, Simple cis-trans arrangement

Question 4

Ma₃bc

Answer 4

Stereo: 2, Enantiomer pairs: 0, Geometric: 2, Two positions for bc around metal

Question 5

Ma₃b₂

Answer 5

Stereo: 2, Enantiomer pairs: 0, Geometric: 2, Cis -> Facial, Trans -> Meridional

Question 6

Ma₃b₂c

Answer 6

Stereo: 3, Enantiomer pairs: 0, Geometric: 3, Structures: aa bb ac, aa ab bc, ab ab ac

Question 7

Ma₃bcd

Answer 7

Stereo: 5, Enantiomer pairs: 1, Geometric: 4, First appearance of enantiomers with 3 different ligands

Question 8

Ma₃b₂c₂

Answer 8

Stereo: 6, Enantiomer pairs: 1, Geometric: 5, Pattern: 6 total = 1 pair of enantiomers + 4 geometric isomers

Question 9

Ma₃b₂cd

Answer 9

Stereo: 8, Enantiomer pairs: 2, Geometric: 6, Pattern: 8 total = 2 pairs of enantiomers + 4 geometric isomers

Question 10

Ma₃bcde

Answer 10

Stereo: 15, Enantiomer pairs: 6, Geometric: 9, Pattern: 15 total = 6 pairs of enantiomers + 3 geometric isomers

Question 11

Mabcdef

Answer 11

Stereo: 30, Enantiomer pairs: 15, Geometric: 15, All different ligands creates maximum isomerism

Question 12

[M(AA)₃]

Answer 12

Stereo: 2, Enantiomer pairs: 1, Geometric: 1, Trick: AA as bidentate reduces possibilities compared to monodentate

Question 13

[M(AA)₂a₂]

Answer 13

Stereo: 3, Enantiomer pairs: 1, Geometric: 2, Pattern: two geometric + one pair of enantiomers

Question 14

[M(AA)₂ab]

Answer 14

Stereo: 3, Enantiomer pairs: 1, Geometric: 2, Same pattern as [M(AA)₂a₂] but with different ligands

Question 15

[M(AA)a₄]

Answer 15

Stereo: 1, Enantiomer pairs: 0, Geometric: 1, Only one possible arrangement due to symmetry

Question 16

[M(AA)a₃b]

Answer 16

Stereo: 2, Enantiomer pairs: 0, Geometric: 2, Two possible positions for b

Question 17

[M(AA)a₂b₂]

Answer 17

Stereo: 4, Enantiomer pairs: 1, Geometric: 3, Pattern: 4 total = 1 pair of enantiomers + 2 geometric isomers

Question 18

[M(AA)a₂bc]

Answer 18

Stereo: 6, Enantiomer pairs: 2, Geometric: 4, Pattern: 6 total = 2 pairs of enantiomers + 2 geometric isomers

Question 19

[M(AA)abcd]

Answer 19

Stereo: 12, Enantiomer pairs: 6, Geometric: 6, Pattern: 12 total = 6 pairs of enantiomers

Question 20

[M(AB)₃]

Answer 20

Stereo: 4, Enantiomer pairs: 2, Geometric: 2, Unsymmetrical bidentate increases possibilities

Question 21

[M(AB)₂a₂]

Answer 21

Stereo: 8, Enantiomer pairs: 3, Geometric: 5, Pattern: 8 total = 3 pairs of enantiomers + 2 geometric isomers

Question 22

[M(AB)₂ab]

Answer 22

Stereo: 11, Enantiomer pairs: 5, Geometric: 6, Complex pattern with unsymmetrical ligands

Question 23

[M(AB)a₄]

Answer 23

Stereo: 1, Enantiomer pairs: 0, Geometric: 1, Only one arrangement despite unsymmetrical AB

Question 24

[M(AB)a₃b]

Answer 24

Stereo: 4, Enantiomer pairs: 1, Geometric: 3, Pattern: 4 total = 1 pair of enantiomers + 2 geometric isomers

Question 25

[M(AB)a₂b₂]

Answer 25

"Stereo: 6, Enantiomer pairs: 2, Geometric: 4, Pattern: 6 total = 2 pairs of enantiomers + 2 geometric isomers"

Question 26

[M(AB)a₂bc]

Answer 26

Stereo: 12, Enantiomer pairs: 5, Geometric: 7, Pattern: 12 total = 5 pairs of enantiomers + 2 geometric isomers

Question 27

[M(AB)abcd]

Answer 27

Stereo: 24, Enantiomer pairs: 12, Geometric: 12, Maximum isomerism with unsymmetrical bidentate