List of top Chemistry Questions

The ground state electronic configuration of neutral titanium atom is
The ground state electronic configuration of $S$ is $3s^2 3p^4$. How does it form the compound $SF_6$?
The Government of India has passed the environment (Protection) Act in the year
The gold numbers of four protective colloids O, P, Q and R are 0.005, 0.01, 0.1 and 0.5 respectively. The decreasing order of their protective power is
The formula of sodium zeolite which is used in permutit process for softening water is
The formula for permutit or zeolite which is used as softner in ion-exchange method is
The following reaction is known as $ {C6H6 + CH3Cl ->[AlCl_3][(\text{anhy}.)] C6H5CH3 + HCl}$
The first ionization energies of group 16 elements
The first line of the Lyman series in a hydrogen spectrum has a wavelength of $1210 ??. The corresponding line of a hydrogen- like atom of $Z = 11$ is equal to
The fire extinguisher 'pyrene' contains
The element with the outer electronic configuration $3d^64s^2$ is a :
The electroplating with chromium is undertaken because
The electronic configuration of a dipositive ion $M^{2+}$ is 2, 8, 14 and its mass number is 56. The number of neutrons present is
The electronic configuration $1s^2,2s^2, 2p^6, 3s^1$ and $3p^1$ is correctly describe by
The electron affinity of Noble gases is
The correct order of acidity for the following compounds is
The calorific value of fat is
The basicity of $H_3PO_4$ is
The aqueous solution of which of the following has maximum pH ?
The acid used in lead storage cells is
Sweet spirit of nitre is
Sulphuric acid provides a simple example of
Species Plantarum and Systema Naturae were written by
Smoke is an example of :
Small liquid droplets dispersed in another liquid is called