GASEOUS STATE   Hints to Subjective Problems   LEVEL – I a) PV = b) Apply Apply r ∝ a) Calculate the mass of an electron. Calculate empirical formula first. 2nd contraction is because of O2. a) Calculate total O2…

ATOMIC STRUCTURE    Hints for Subjective Problems    LEVEL – I   b) Relate K.E. to λ with the help of an equation which relates λ of a particle to its mass and velocity. Total energy emitted = no. of…

IIT–JEE Syllabus Mole concept, Calculations involving Oxidation – Reduction, neutralisation and displacement reactions Introduction Stoichiometry deals with the calculation of the quantities of various reactants and products involved in a chemical reaction. The numerals used to balance a chemical equation…

Density and Molecular weight From the ideal gas equation P = ∴ M = Hence from a knowledge of d/P density under unit pressure molecular weight can be determined. At low pressure below 1 atm d/p has been found to…

IIT–JEE Syllabus Avogadro’ s law; equation of state for an ideal gas; kinetic theory of gases; root mean square velocity and its relation with temperature; average velocity; Gay Lussac’s law.  The Gas Laws 2.1 Boyle’s Law   In 1662, Robert Boyle…

IIT–JEE Syllabus  Atomic structure; Rutherford Model; Spectrum of hydrogen atom; Bohr model; de Broglie relations, Uncertainty principle, Quantum model; Electronic configuration of elements ( upto to atomic number 36); Aufbau principle, Pauli’s exclusion principle and Hund’s rule, shapes of s,p,…

1. IIT-JEE Syllabus ALKANE: Physical properties of alkane (melting point, boiling point and density), combustion and halogenation of alkanes. Preparation of alkane by Wurtz coupling and decarboxylation reaction.  ALKENE AND ALKYNE: Structure and physical properties of alkenes and alkynes (boiling…

1. IIT-JEE Syllabus ALKANE: Physical properties of alkane (melting point, boiling point and density), combustion and halogenation of alkanes. Preparation of alkane by Wurtz coupling and decarboxylation reaction.  ALKENE AND ALKYNE: Structure and physical properties of alkenes and alkynes (boiling…

ALCOHOL, ETHERS & PHENOL Solution to Subjective Problems LEVEL – I HC ≡ C – CH2 – OH will be a stronger acid. According to the conjugate acid-base theory, if the conjugate base of an acid is weak, the corresponding…