Chemistry

Packing efficiency of fcc lattice is

The first co-ordination number of Cs⁺ in CsCl lattice is

The tendency of an electrode to lose electron is known as

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because

Potassium (K) has a bcc structure with nearest neighbor distance 4.52 A⁰ Its atomic weight is 39. Its density will be       

A metal ion M³⁺loses 3 electrons, its oxidation number will be

For the given reaction

Which of the following is correct?

The decreasing order of basic strength of the following is 

 

 

For an endothermic reaction, energy of activation is E_a and enthalpy of reaction is ?H (both of these in kJ/mol). Minimum value of E_a will be

For an ideal system at thermal equilibrium, the velocity distribution of the constituting particles