1.

(i) Write the IUPAC name of the complex [Cr(NH3)4Cl2]Cl. (ii) What type of isomerism is exhibited by the complex [Co(en)3]3+? (en = ethane-1, 2-diamine) (iii) Why is [NiCl4]2− paramagnetic but [Ni(CO)4] is diamagnetic ? (At. nos. : Cr = 24, Co = 27, Ni =28)

Answer» (i) Write the IUPAC name of the complex [Cr(NH3)4Cl2]Cl.

(ii) What type of isomerism is exhibited by the complex [Co(en)3]3+?
(en = ethane-1, 2-diamine)

(iii) Why is [NiCl4]2 paramagnetic but [Ni(CO)4] is diamagnetic ?
(At. nos. : Cr = 24, Co = 27, Ni =28)


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