INORGANIC CHEMISTRY METALLURGY CO-ORDINATION CHEMISTRY & TRANSITION ELEMENTS QUALITATIVE ANALYSIS PREPARATION & PROPERTIES I) METALS & their compounds II) NON-METALS & their compounds STRUCTURES of compounds

METALLURGY Self reduction (Cu & Pb) Carbon reduction (Fe & Sn) Electrolytic reduction (Mg & Al) Cyanide process (Ag & Au) 1. Name of ores with formula. 2. Different steps of extraction with reactions. Extraction of metals Iron, Copper, Aluminium, Lead, Tin, Magnesium, Silver, Gold, Zinc.

QUALITATIVE ANALYSIS 1.Make a chart. 2.Initially, revise it daily 3.Go through JEE syllabus. 4.Color the compound in which it precipitates.

1 st GROUP (Ag+, Pb+, Hg 2 +2 ) GROUP REAGENT : dil. HCl  All chlorides r water insoluble.  PbCl 2 is soluble in hot water

PbCl 2, AgCl, Hg 2 Cl 2 Hot water f r PbCl 2 AgCl,Hg 2 Cl 2 NH 4 OH – f r Ag(NH 3 ) 2 Cl NH 2 HgCl +Hg (Black ppt.)

5. Keep it in front of you when you solve the problems initially. 6. Understand clearly the difference between the precipitate & solution. 7. Practice with subjective questions. 8. Revise it regularly.

JEE Which pair of compounds is expected to show similar color in aqueous medium? a)FeCl 2 & CuCl 2 b)VOCl 2 & CuCl 2 c)VOCl 2 & FeCl 2 d) FeCl 2 & MnCl 2

2. Name the structure of silicates in which three oxygen atoms of (SiO 4 ) -4 are shared is a)Pyrosilicates b)Sheet silicate c)Linear chain silicate d)Three dimensional silicate

3. Which ore contains both iron & copper? a)Cuprite b)Chalcocite c)Chalcopyrite d)Malachite

4. Which of the following is not oxidised by O 3 ? a)KI b)FeSO 4 c)KMnO 4 d) K 2 MnO 4

5.When PbO 2 reacts with conc. HNO 3 the gas evolved is a)NO 2 b)O 2 c)N 2 d)N 2 O

6.Which BLUE LIQUID is obtained on reacting equimolar amounts of two gases at –30 0 C? N 2 O N 2 O 3 N 2 O 4 N 2 O 5

7. Which is is the most thermodynamically stable allotropic form of Phosphorus? a)red b)white c)black d)yellow

JEE X + H 2 SO 4  Y a colourless gas with irritating smell. Y + K 2 Cr 2 O 7 + H 2 SO 4  green solution. X and Y are a)SO 3 2-, SO 2 b)Cl -, HCl c)S 2-,H 2 S d)CO 3 2-,CO 2

2. When MnO 2 is fused with KOH, a colored compound is formed, the product and its color is____ a)K 2 MnO 4 purple green b)KMnO 4 purple c)Mn 2 O 3 brown d)Mn 3 O 4 black

3)In the process of extraction of gold, roasted gold ore + CN- + H2O  X + OH- X + Zn  Y + Au Identify X and Y.

4) (Me) 2 SiCl 2 on hydrolysis will produce A (Me) 2 Si(OH) 2 B (Me) 2 Si=O C –(O-(Me) 2 Si-O-)n- D (Me) 2 SiCl(OH)