Chemistry in our life, about occurence,properties of the following metal co...

about occurence,properties of the following metal copper.gold,mercury

Priming and foaming., priming and foaming.

priming and foaming.

Effect of substituents on acidity - inductive effect, Effect of Substituen...

Effect of Substituents on Acidity: The complete effect of a substituent on acidity of substituted benzoic acids is because of two factors. (i) Inductive effect: If the subs

Ionic and covalent bonds, Ionic and covalent bonds are present in: (1) ...

Ionic and covalent bonds are present in: (1)  CCl 4                                               (2)  CaCl 2              (3)  NH 4 Cl

Which of the following electronic configurations, Which of the following el...

Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2                           (2)  1s 2 , 2s 2 , 2p 6     (3) 3d 10 4s 2 4p 2

Energy, The amount of energy released by burning a fuel source, measured in...

The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy obtained from burning 1.20 pounds of butane (fuel v

The expression for bohr''s radius of an atom is, The expression for Bohr's ...

The expression for Bohr's radius of an atom is: (1) r= n 2 h 2 / 4 Π 2 me 4 z 2                         (2) r= n 2 h 2 / 4 Π me 2 z 2           (3) r=  n2h2/4 Π me 3

Ionic bond,

The shape of an orbital is given by the quantum number, The shape of an orb...

The shape of an orbital is given by the quantum number : (1) n                       (2) l          (3) m                    (4) s       Ans:  l

Organic, interconversion of phenol to meta-bromo phenol

interconversion of phenol to meta-bromo phenol