Draw the structural isomer of [Co(NH₃)_sNO₂]Cl₂ and name the type of isomerism.

Give the IUPAC names of the following coordination compounds :

(i) K₂[Zn(OH)₄]

(ii) [Co(NH₃)₅(Co₃)]Cl

For the complex ion [Fe(CN)₆]^3- state :

(i) The geometry of the ion.

(ii) The magnetic property of the ion.

Among the following coordination compounds, the one giving a white precipitate with BaCl₂solution is:

Write the formulae of the following coordination compounds:

(i) potassiumtetracyanonickel(II)

(ii) triamminetrinitrocobalt(III)

[CoF₆]^3- is a coordination complex ion.

(i) What is the oxidation number of cobalt in the complex?

(ii) How many unpaired electrons are there in the complex?

(iii) State the magnetic behaviour of the complex.

(iv) Give the I.U.P.A.C. name of the complex.

(i)The compound C₆H_l2 shows optical isomerism. Draw the structural formula of the compound and name it.

(ii) Name any three types of isomerisms that the compound with molecular formula C₄H₇Cl can give rise to. Also, represent the structures of the compounds relevant to these isomers.