1. IIT–JEE syllabus Acids and Bases, pH, Common ion effect, Buffer solutions, Hydrolysis of salts and Solubility Product.    2. Acids and Bases Here we discuss some important definitions of acids and bases. 2.1  Arrhenius Definition  Arrhenius defined an acid to…

IIT-JEE Syllabus  Various concepts of Acids and Bases, Relative Strengths of  Inorganic and Organic Acids and Bases. Introduction  There are several so-called theories of acids and bases, but they are not really theories but merely different definitions of what we…

CHEMICAL KINETICS Solution to Subjective Problems    LEVEL – I 1. The one existing for long time will cause serious effect. Use concepts of complex reactions. Arrhenius equation. Calculate‘t’. Use first order kinetics concepts. Calculate‘t’. Use pressure concepts in first…

CHEMICAL EQUILIBRIUM   Hints for Subjective Problems   LEVEL – I Equate the concentration of A and D at equilibrium. We can start the reaction taking initial equilibrium of CO as 1. Convert MPa into atmosphere. KMnO4 reacts with Fe+2…

1. IIT–JEE syllabus Acids and Bases, pH, Common ion effect, Buffer solutions, Hydrolysis of salts and Solubility Product.    2. Acids and Bases Here we discuss some important definitions of acids and bases. 2.1  Arrhenius Definition  Arrhenius defined an acid to…

CONCEPT OF ACIDS & BASES   Solution to Subjective Problems  LEVEL – I To form a conjugate base means removal of a proton  So answer is  (i) NH2– (ii) CH3COO– (iii) H2O (iv) H2NCONH2 Assume that each has lost a…

1. IIT-JEE syllabus Law of mass action; equilibrium constant; exothermic and endothermic reactions; Le-Chatelier’s Principle and its applications   2. Introduction It is an experimental fact that most of the process including chemical reactions, when carried out in a closed vessel,…

STOICHIOMETRY    Hints for Subjective Problems   LEVEL – I   ⎯→ KCl + O2 (Part – I) ⎯→ + KCl (Part – II) To calculate (x) apply POAC for ‘O’ atom in Part (I) For calculation of y apply…

PERIODIC PROPERTIES  Hints for Subjective Problems   LEVEL – I 2. Larger particles size and nearly perfect lattice. pπ-pπ back bonding between F and Al. (BeCl2)n formation. Inert pair effect. Successive ionization potentials have to be considered. Half filled and…

CHEMISTRY   The bond order of CO molecule on the basis of molecular orbital theory is (A) 0 (B) 2 (C) 3 (D) 1   The most polar molecule is (A) CCl4 (B) CHCl3 (C) CH3Cl (D) CH3OH   Equal…