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Chemistry Class 12 NCERT Solutions: Chapter 9 Coordination Compounds Part 12
Exercise: 2
Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt (III) chloride
(ii) Potassium tetracyanonickelate (II)
(iii) Tris (ethane β 1,2 β diamine) chromium (III) chloride
(iv) Amminebromidochloridonitrito-N-palatinate (II)
(v) Dichloridobis (ethane β 1,2 β diamine) platinum (IV) nitrate
(vi) Iron (III) hexacyanoferrate (II)
Answer:
(i)
(ii)
(iii)
(vi)
(v)
(vi)
Q: 2. Write the IUPAC names of the following coordination compounds:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
Answer:
(i) Hexaamminecobalt (III) chloride
(ii) Pentaamminechloridocobalt (III) chloride
(iii) Potassium hexacyanoferrate (III)
(iv) Potassium trioxalatoferrate (III)
(v) Potassium tetrachloropalladate (II)
(vi) Diamminechloride (methylamine) platinum (II) chloride
Q: 3. Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers:
I.
II.
III.
IV.
Answer:
I. Both geometrical (cis-, trans) isomers for can exist. Also, optical isomers for cis-isomer exist.
Trans-isomer is optically inactive. On the other hand, cis-isomer is optically active.
(ii) Two optical isomers for exist.
Two optical isomers are possible for this structure.
(iii)
A pair of optical isomers:
It can also show linkage isomerism.
and
It can also show ionization isomerism.
(iv) Geometrical (cis-trans-) isomers of can exist.