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32nd Meeting of Academic Council - IGNOU

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12. Chemistry Lab III<br />

Block1: Inorganic Chemistry Lab<br />

Synthesis and Analysis<br />

(a)<br />

Preparation <strong>of</strong> sodium trioxalato ferrate (iii), Na 3 [Fe(C 2 O 4 ) 3 ] and<br />

determination <strong>of</strong> its composition by permaganometry.<br />

(b) Preparation <strong>of</strong> Ni-DMG complex, [Ni(DMG) 2 ].<br />

(c) Preparation <strong>of</strong> copper tetraammine complex. [Cu(NH 3 ) 4 ]SO 4 .<br />

(d)<br />

Preparation <strong>of</strong> cis-and trans-bisoxalato diaqua chromate (III) ion.<br />

Instrumentation<br />

(a) job’s method<br />

(b) Mole-ratio method<br />

Adulteration – Food stuffs.<br />

Effluent analysis, water analysis.<br />

Solvent Extraction<br />

Separation and estimation <strong>of</strong> Mg(ll) and Fe(ll)<br />

Ion Exchange Method<br />

Separation and estimation <strong>of</strong> Mg(ll) and Zn(ll)<br />

Block 2: Organic Chemistry Lab<br />

Laboratory Techniques<br />

Naphthalene from its suspension in water<br />

Clove oil from cloves<br />

Separation <strong>of</strong> o-and p-nitrophenols<br />

Column Chromatography<br />

Separation <strong>of</strong> fluorescein and methylene blue<br />

Separation <strong>of</strong> leaf pigments from spinach leaves<br />

Resolution <strong>of</strong> recemic mixture <strong>of</strong> (±) mandelic acid

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