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Total number of complexes among the foll...

Total number of complexes among the following which are opticaly active?
(i) `[Cr(O x)_(3)]^(3-)`
(ii) cis-`[Pt(Cl_(2))(en)]`
(iii) cis`[Rh(Cl_(2))(NH_(3))_(4)]^(+)`
(iv) `Ru(dipy)_(3)]^(3+)`
(v) cis`[Co(NO_(2))_(3)(dien)]`
(vi) Trans-`[Co(NO_(2))_(3)(dien)]`
(vii) cis`[Co(NO_(2))_(3)(NH_(3))_(3)]`

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How many of the following complexes are optically inactive? (i) trans- [Co(NH_3)_4I_2]^+ (ii) cis- [Co(NH_3)_2(en)_2]^(3+) (iii) trans- [Co(NH_3)_2(en)_2]^(3+)

Which of the following will show optical isomers? (I) cis- [Co(NH_(3))_(2)(en)_(2)]^(3+) (II) trans- [IrCl_(2)(C_(2)O_(4))_(2)]^(3-) (III) [Rh(en)_(3)]^(3+) (IV) cis- [IR(H_(2)O)_(3)Cl_(3)]

Which of the following can exhibit optical isomerism: (i) [Cr(gly)_3]^0 (ii) [CoBr_(2)CI_(2)(SCN)_(2)]^(3-) (iii) [Co(en)_(3)]^(3+) (iv) Na[PtBrCI(NO_(2))(NH_(3))]

[Co(NH_(3))_(4)(NO_(2))_(2)]CI exhibits

Arrange the following compounds in order of increasing molar conductivity . (i) K[Co(NH_(3))_(2)(NO_(2))_(4)]" " (ii) [Cr(NH_(3))_(3)(NO_(2))_(3)] (iii) [Cr(NH_(3))_(5)(NO_(2))]_(3)[Co(NO_(2))_(6)]_(2)" " (iv) [Cr(NH_(3))_(6)]Cl_(3)

Give the total number of geometrical and optical isomers give by (i) [Co(NH_(3))_(4)CI_(2)]^(o+) (ii) [Pt(en)Br_(2)CI_(2)] (iii) [CrCI_(3)(H_(2)O)_(3)] .

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